0-9, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, [Contents]
0-9,
A,
B,
C,
D,
E,
F,
G,
H,
I,
J,
K,
L,
M,
N,
O,
P,
Q,
R,
S,
T,
U,
V,
W,
X, Y,
Z, [Contents]
<laboratory, workshop and tool vehicles> 
Scope note required.
Plural form: <laboratory, workshop and tool vehicles>
CL Vehicles and vehicle components
BT <service vehicles and on-track plant>
NT crane testing wagon
NT dynamometer car
NT structure gauging vehicle
NT tool van
NT track recording coach
NT track recording unit
NT track recording vehicle
NT weighing machine van
NT workshop van
ladder junction
A layout of facing and
trailing crossovers enabling movements across several parallel lines.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology, Alan A Jackson,
Alan Sutton Publishing, 1996
Plural form: ladder junctions
CL Track and track components
BT junction trackwork
lagging
Insulating material, often
asbestos or fibre glass, wrapped round boilers and steam pipes to reduce heat
loss.
Warrant: Locomotives and Their Working, C R H Simpson & F B
Roberts, Virtue & Co Ltd, 1952
Plural form: lagging
CL Vehicles and vehicle components
BT boiler component
laminated bearing spring
Scope note required.
Literary warrant required.
Plural form: laminated bearing springs
CL Vehicles and vehicle components
BT bearing spring
lamp bracket
The vertical tongues of
steel fitted at various points around the front and rear of railway vehicles to
hold head lamps, discs and tail lamps.
Warrant: Great Western Railway
Drawing Registers
Plural form: lamp brackets
UF lamp iron
CL Vehicles and vehicle components
BT <signalling and control components>
NT headlamp bracket
NT side lamp bracket
NT tail lamp bracket
lamp iron
The vertical tongues of
steel fitted at various points around the front and rear of railway vehicles to
hold head lamps, discs and tail lamps.
Warrant: The Locomotive of Today,
Locomotive Publishing Company, 1927 Warrant: Great Western Railway Drawing
Registers
Plural form: lamp irons
USE lamp bracket
CL Vehicles and vehicle components
BT <signalling and control components>
lamp key
A special key for opening
the glass covers of lamps inside railway carriages, in order to trim the wick or
change the light bulb.
Warrant: National Railway Museum
Plural form:
lamp keys
CL Tools and equipment
BT <carriage and wagon tools and equipment>
lamp out indicator
An electrical indicator
indicating a fault on a signal lamp.
Warrant: Ray Towell, Curator of
Operations, National Railway Museum
Plural form: lamp out indicators
CL Control and communications
BT <signal confirmation>
lamp post
Scope note required.
Literary warrant required.
Plural form: lamp posts
CL Built works and components
BT <structures by type>
lamp (vehicle lighting)
Scope note
required.
Literary warrant required.
Plural form: lamps (vehicle
lighting)
USE vehicle lamp
CL Vehicles and vehicle components
BT <artificial lighting components>
lampmans equipment
The tools and equipment used
by the lampman for servicing and lighting lamps.
Literary warrant required.
Plural form: lampmans equipment
CL Tools and equipment
BT <station tools and equipment>
NT lampmans yoke
lampmans yoke
A wooden shoulder piece used
for carrying a two or more lamps.
Warrant: Oxford English Dictionary
Plural form: lampmans yokes
UF yoke (lampmans)
CL Tools and equipment
BT lampmans equipment
lantern body
Scope note required.
Literary warrant required.
Plural form: lantern bodies
CL Unidentified
BT <unidentified terms>
lap
A driver's brake valve
position of air brake control used to hold the brake pipe pressure at its
existing level.
Warrant: Locomotives and Their Working, C R H Simpson &
F B Roberts, Virtue & Co Ltd, 1952
Plural form: laps
CL Vehicles and vehicle components
BT <brake controls>
large boiler tube
A boiler tube
containing superheater elements.
Warrant: Railway Technical Web Pages, Piers
Connor, 2000
Plural form: large boiler tubes
USE large smoke tube
CL Vehicles and vehicle components
BT smoke tube
RT superheater component
large card ticket
Scope note required.
Literary warrant required.
Plural form: large card tickets
CL Commercial records and equipment
BT <tickets by form>
large smoke tube
In a boiler fitted with
superheating, one of the large horizontal pipes carrying smoke and burning gases
from the firebox to the smokebox and also containing superheater elements.
Warrant: Handbook for Railway Steam Locomotive Enginemen, British Transport
Commission, 1957 p39
Plural form: large smoke tubes
UF large boiler tube
CL Vehicles and vehicle components
BT smoke tube
RT boiler
RT superheater component
Lartigue monorail
A monorail invented by
Charles Lartigue in which the single rail is carried on angle iron trestles
about 1m high, a light guide of stabilising rail is placed either side of the
trestles about 457mm below the carrying rail.
Warrant: The Railway
Dictionary, An A-Z of Railway Terminology, Alan A Jackson, Alan Sutton
Publishing, 1996
Plural form: Lartigue monorails
CL Railway types
BT monorail
Lartigue monorail locomotive
A locomotive built to
operate on the Lartigue monorail system
Warrant: Articulated Locomotives, L
Wiener, 1930
Plural form: Lartigue monorail locomotives
CL Vehicles and vehicle components
BT monorail locomotive
RT Lartigue monorail steam tender
Lartigue monorail steam tender
A powered tender attached to
the Lartigue monorail locomotive.
Warrant: Articulated Locomotives, L Wiener,
1930
Plural form: Lartigue monorail steam tenders
CL Vehicles and vehicle components
BT permanent steam tender
RT monorail locomotive
lathe
A machine used for turning
and shaping metal or wood.
Literary warrant required.
Plural form:
lathes
CL Tools and equipment
BT machine tool
NT wheel turning lathe
lavatory equipped carriage
Scope note required.
Literary warrant required.
Plural form: lavatory equipped carriages
CL Vehicles and vehicle components
BT <passenger carriages by internal layout/facilities>
laying-out peg
A wooden peg used for
setting out alterations to the permanent way and other works.
Literary
warrant required.
Plural form: laying-out pegs
CL Tools and equipment
BT surveying equipment
lead mine railway
Scope note required.
Literary warrant required.
Plural form: lead mine railways
CL Railway types
BT mine railway
lead (valve)
Scope note required.
Warrant: Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue
& Co Ltd, 1952
Plural form: leads (valve)
CL Vehicles and vehicle components
BT <cylinders and associated components>
leaving notice
Scope note required.
Literary warrant required.
Plural form: leaving notices
CL Commercial records and equipment
BT <payroll documentation>
ledge rail
Scope note required.
Literary warrant required.
Plural form: ledge rails
CL Track and track components
BT edge rail
left luggage receipt
A paper or card receipt
issued upon deposit of luggage with the railway left luggage office for later
redemption.
Literary warrant required.
Plural form: left luggage
receipts
CL Commercial records and equipment
BT <parcel and freight traffic accounting>
leisure railway
A railway primarily serving
the leisure interests of tourists, holidaymakers, fairgoers, railway
enthusiasts, etc. It may provide a more serious means of transport for some
users but its prime function is a leisure one.
Literary warrant required.
Plural form: leisure railways
CL Railway types
BT passenger railway
NT fairground railway
NT preserved railway
NT seaside railway
level crossing
A crossing of two railways,
or a railway and road, at the same level. Used here specifically to mean a road
or pedestrian crossing. For rail crossings on the level see Track and track
components or Built works - <route complexes>.
Warrant: Encyclopedia of
Railways, O S Nock, 1977
Plural form: level crossings
CL Control and communications
BT <signalling>
NT < level crossings by operation>
NT <level crossings by physical protection>
NT <level crossings by type>
RT diamond crossing
RT flat crossing
level crossing barrier
Scope note required.
Literary warrant required.
Plural form: level crossing barriers
UF barrier (level crossing)
CL Control and communications
BT <level crossing gates, barriers, etc.>
NT automatic barrier
NT half-barrier
NT manually controlled barrier
level crossing CCTV camera
A CCTV camera used to allow
the signalman to remotely monitor the operation of an automatic crossing
situated out of sight of the signalbox.
Literary warrant required.
Plural form: level crossing CCTV cameras
CL Control and communications
BT <level crossing monitoring equipment>
level crossing component
Scope note required.
Literary warrant required.
Plural form: level crossing components
CL Control and communications
BT <signalling>
NT barrier key
NT level crossing key
NT <level crossing gates, barriers, etc.>
NT <level crossing monitoring equipment>
NT <level crossing operating equipment>
NT <level crossing road surface components>
NT <level crossing user warning equipment>
<level crossing drive equipment>
Motors for powering the
movement of level crossing gates or barriers and equipment for transmitting
power from the motor or manual power mechanism to the gates or barriers.
Plural form: <level crossing drive equipment>
CL Control and communications
BT <level crossing operating equipment>
NT level crossing mechanism
level crossing gate
A gate capable of being
closed across the road and/or railway at places where the road crosses the
railway at the same level.
Warrant: The History & Development of Railway
Signalling in the British Isles, Friends of the National Railway Museum
Plural form: level crossing gates
UF gate (level crossing)
CL Control and communications
BT <level crossing gates, barriers, etc.>
NT wicket gate (level crossing)
level crossing gate component
Scope note required.
Literary warrant required.
Plural form: level crossing gate components
CL Control and communications
BT <level crossing gates, barriers, etc.>
NT gate lamp
NT level crossing gate lamp
NT level crossing gate lamp component
level crossing gate lamp
The warning lamp mounted on
the top crossbar of a level crossing gate.
Warrant: Ray Towell, Curator of
Operations, National Railway Museum
Plural form: level crossing gate
lamps
UF crossing gate lamp
CL Control and communications
BT level crossing gate component
level crossing gate lamp component
Scope note required.
Literary warrant required.
Plural form: level crossing gate lamp
components
CL Control and communications
BT level crossing gate component
NT crossing gate lamp case
NT crossing gate lamp interior
NT gate lampcase
NT level crossing gate lamp interior
level crossing gate lamp interior
The internal working parts
of the warning lamp mounted on the top crossbar of a level crossing gate.
Literary warrant required.
Plural form: level crossing gate lamp
interiors
CL Control and communications
BT level crossing gate lamp component
<level crossing gates, barriers, etc.>
Gates, barriers and other
forms of physical obstruction used to prevent level crossing users passing in
front of an approaching train.
Plural form: <level crossing gates,
barriers, etc.>
CL Control and communications
BT level crossing component
NT level crossing barrier
NT level crossing gate
NT level crossing gate component
level crossing key
An interlocking key to
release crossing gates whilst interlocking the controlling signals.
Warrant:
Ray Towell, Curator of Operations, National Railway Museum
Plural form:
level crossing keys
CL Control and communications
BT level crossing component
<level crossing locking and detection
equipment>
Equipment for locking level
crossing gates or barriers in position or detecting that they are correctly
positioned so that signals can be released.
Plural form: <level crossing
locking and detection equipment>
CL Control and communications
BT <level crossing operating equipment>
NT gate lock mechanism
level crossing mechanism
Scope note required.
Literary warrant required.
Plural form: level crossing mechanisms
CL Control and communications
BT <level crossing drive equipment>
NT crossing gate mechanism
<level crossing monitoring equipment>
CCTV cameras and other
equipment used to allow the signalman to remotely monitor the operation of an
automatic crossing. Also mirrors, etc. provided to assist the signalman to
observe approaching traffic in the case of a locally operated level crossing.
Plural form: <level crossing monitoring equipment>
CL Control and communications
BT level crossing component
NT level crossing CCTV camera
NT level crossing sighting mirror
<level crossing operating equipment>
Equipment for operating
level crossings. Includes train approach detecting equipment, control
transmission equipment, motors, gate locks and detection, etc. For manual
controls see <point and signal actuation> - <central control> or
<local control>. For public warning bells, lights, etc. provided at level
crossings see <level crossing public warning equipment>.
Plural form:
<level crossing operating equipment>
CL Control and communications
BT level crossing component
NT < automatic level crossing actuation equipment>
NT <level crossing drive equipment>
NT <level crossing locking and detection equipment>
<level crossing road surface components>
A component of the road
surface over the track at a level crossing.
Plural form: <level crossing
road surface components>
CL Control and communications
BT level crossing component
NT bowmac
level crossing sighting mirror
A mirror provided to assist
the signalman to observe approaching traffic at a locally operated level
crossing.
Literary warrant required.
Plural form: level crossing
sighting mirrors
CL Control and communications
BT <level crossing monitoring equipment>
<level crossing user warning equipment>
Signs provided at level
crossings to alert users to the presence of the crossing, explain how to use it,
etc. and bells, lights, etc. to warn users of the approach of a train and/or
imminent closure of gates or barriers, etc.
Plural form: <level crossing
user warning equipment>
CL Control and communications
BT level crossing component
NT crossing sign
NT miniature red/green warning light
level crossing (rail across rail)
A
place where two railway routes cross on the level by one or more diamond
crossings.
Plural form: level crossings (rail across rail)
USE flat crossing
CL Built works and components
BT <junctions and crossings>
<level crossings by operation>
Scope note required.
Plural form: <level crossings by operation>
CL Control and communications
BT level crossing
NT automatic level crossing
NT manned level crossing
NT open level crossing
NT road user operated level crossing
NT traincrew operated crossing
<level crossings by physical protection>
Scope note required.
Plural form: <level crossings by physical protection>
CL Control and communications
BT level crossing
NT gated level crossing
NT lifting barrier level crossing
NT ungated level crossing
<level crossings by type>
Scope note required.
Plural form: <level crossings by type>
CL Control and communications
BT level crossing
NT accommodation level crossing
NT barrow crossing
NT occupation level crossing
NT pedestrian crossing
NT public roadway level crossing
levelling valve
A pneumatic device mounted
on a vehicle underframe used to determine the variations in vehicle weight
caused by loading and unloading.
Warrant: Railway Technical Web Pages, Piers
Connor, 2000
Plural form: levelling valves
CL Vehicles and vehicle components
BT suspension component
lever collar
A control device used to
remind a signalman that a particular lever, button or switch must not be
operated in the normal manner.
Warrant: Railtrack London & North
Eastern, A Glossary of Railway Terms, October 1998
Plural form: lever
collars
CL Control and communications
BT reminder appliance
NT line blocked collar
lever frame
A frame in which the levers
working all signals and points in an area are mounted together and usually
interlocked.
Warrant: The History & Development of Railway Signalling in
the British Isles, Friends of the National Railway Museum
Plural form: lever
frames
UF frame (lever)
CL Control and communications
BT <central control>
NT interlocking frame
NT signal frame
NT signal lever frame
NT <lever frames by location>
NT <lever frames by transmission>
lever frame cabin
A small building or
structure housing a signal lever frame.
Warrant: Railway Terminology Working
Group
Plural form: lever frame cabins
CL Built works and components
BT <control structures>
lever frame component
Any single part of a lever
frame.
Warrant: Ray Towell, Curator of Operations, National Railway Museum
Plural form: lever frame components
CL Control and communications
BT <central control>
NT frame lever
NT lever frame lock
NT signal lever component
NT <mechanical interlocking equipment>
lever frame lock
An interlocking mechanism
preventing conflicting movement of levers.
Warrant: Ray Towell, Curator of
Operations, National Railway Museum
Plural form: lever frame locks
CL Control and communications
BT lever frame component
lever frame lock cover
A metal cover protecting the
interlocking mechanism of external lever frames.
Warrant: Ray Towell,
Curator of Operations, National Railway Museum
Plural form: lever frame lock
covers
CL Control and communications
BT <mechanical interlocking equipment>
<lever frames by location>
Lever frames grouped by
virtue of their location (i.e. in an elevated operating floor or at ground
level).
Plural form: <lever frames by location>
CL Control and communications
BT lever frame
NT ground frame
<lever frames by transmission>
Lever frames grouped by
virtue of the type of transmission system to which they are linked.
Plural
form: <lever frames by transmission>
CL Control and communications
BT lever frame
NT mechanical frame
NT power signalling frame
lever number plate
A plate fixed to the signal
lever denoting the number of the lever and the pull sequence in route
setting.
Warrant: Ray Towell, Curator of Operations, National Railway Museum
Plural form: lever number plates
CL Control and communications
BT signal lever component
lever operated contact box
An electrical mechanism,
mechanically connected to the signal levers, acting as an interlock.
Warrant: Ray Towell, Curator of Operations, National Railway Museum
Plural
form: lever operated contact boxes
CL Control and communications
BT <electrical transmission>
life guard
An attachment fitted to
the main frames, truck or bogie frame plates or tender frames of a locomotive
extending down towards rail level in advance of the leading wheel in order to
sweep clear any obstruction that might cause a derailment.
Literary warrant
required.
Plural form: life guards
USE guard iron
CL Vehicles and vehicle components
BT <track clearing components>
lifting arm
A component in a steam
locomotive valve gear reversing mechanism for transmitting the movement of the
weigh shaft into lifting or lowering the expansion links.
Warrant: Great
Western Railway Drawing Registers
Plural form: lifting arms
CL Vehicles and vehicle components
BT valve gear component
lifting barrier level crossing
A level crossing fitted with
barriers that raise to allow the movement of road traffic.
Literary warrant
required.
Plural form: lifting barrier level crossings
CL Control and communications
BT <level crossings by physical protection>
lifting equipment
An apparatus for raising and
lowering heavy objects or equipment from the floor.
Warrant: National
Railway Museum
Plural form: lifting equipment
CL Tools and equipment
BT engineering workshop tools and equipment
NT sheerlegs
RT jack
lifting shop
A workshop where vehicles
are lifted off their bogies for maintenance work to be carried out.
Warrant:
Railway Technical Web Pages, Piers Connor, 2000
Plural form: lifting
shops
CL Built works and components
BT <construction and repair structures>
light engine
A locomotive travelling on
its own. May also include two or more locomotives coupled together.
Literary
warrant required.
Plural form: light engines
CL Vehicles and vehicle components
BT non-passenger train
light indicator
Scope note required.
Literary warrant required.
Plural form: light indicators
CL Control and communications
BT <signal confirmation>
light railway
A railway built under
special light railway legislation of the 1890s that restricts speed, etc.
allowing construction and operation to lower than normal standards of
engineering and safety provision. Intended to encourage railway building in
areas of low potential traffic density where normally engineered railways would
not be viable.
Warrant: The Oxford Companion to British Railway History,
Jack Simmons & Gordon Biddle (eds.), Oxford University Press, 1997
Plural form: light railways
CL Railway types
BT public railway
light (vehicle window)
A generic term for a
carriage window.
Warrant: The Illustrated history of LMS standard coaching
stock Vol 3: Non-corridor, special purpose and self-propelled vehicles, David
Jenkinson & Bob Essery, Oxford Publishing Company, 2000 p7 Warrant: Heritage
Railways Association - Glossary, http://ukhrail.ac.uk/glossary, 2000
Plural
form: lights (vehicle window)
CL Vehicles and vehicle components
BT <natural lighting components>
NT droplight
NT hopper window
NT quarter light
NT side light (vehicle window)
NT sliding light
lighting component (vehicle)
Scope note required.
Literary warrant required.
Plural form: lighting components (vehicle)
CL Vehicles and vehicle components
BT <environmental control components>
NT <artificial lighting components>
NT <natural lighting components>
<lighting controls>
Scope note required.
Plural form: <lighting controls>
CL Vehicles and vehicle components
BT <driving and control components>
NT saloon lights control
NT saloon lights switch indicator
lime cells
Scope note required.
Literary warrant required.
Plural form: lime cells
CL Built works and components
BT <freight transhipment structures>
lime storage shed
Scope note required.
Literary warrant required.
Plural form: lime storage sheds
CL Built works and components
BT <freight transhipment structures>
limestone ballast
A type of stone sometimes
used for ballasting the permanent way.
Warrant: British Railway Track:
Design, Construction and Maintenance, D H Coombs (Ed, The Permanent Way
Institution, 4th Edition, 1971
Plural form: limestone ballast
CL Track and track components
BT ballast
limestone quarry railway
Scope note required.
Literary warrant required.
Plural form: limestone quarry railways
CL Railway types
BT quarry railway
limestone wagon
A railway vehicle dedicated
to the carriage of crushed limestone.
Literary warrant required.
Plural
form: limestone wagons
CL Vehicles and vehicle components
BT stone wagon
limit of shunt indicator
A special type of position
light signal or sign to terminate a shunting movement along a line in the wrong
direction.
Warrant: The History & Development of Railway Signalling in
the British Isles, Friends of the National Railway Museum
Plural form: limit
of shunt indicators
CL Control and communications
BT <trackside indicators>
RT shunting signal
RT shunt-ahead signal
line blocked collar
A collar placed over a
signal lever handle to prevent the movement of points and signals to an occupied
section of the line.
Warrant: Ray Towell, Curator of Operations, National
Railway Museum
Plural form: line blocked collars
CL Control and communications
BT lever collar
line breaker
A contactor used to
disconnect a traction circuit from the traction supply and capable of breaking
fault current or a short circuit.
Warrant: LUL Jargon Buster
Plural
form: line breakers
CL Vehicles and vehicle components
BT <traction current transmission components>
line contactor
Scope note required.
Literary warrant required.
Plural form: line contactors
CL Unidentified
BT <unidentified terms>
line ear
Scope note required.
Literary warrant required.
Plural form: line ears
CL Track and track components
BT overhead line equipment
line hanger
Scope note required.
Literary warrant required.
Plural form: line hangers
CL Track and track components
BT overhead line equipment
line light
An indicator on the driver's
desk of an electric train that current is available to be drawn from the
overhead wires.
Warrant: Railtrack Jargon Buster, 1999
Plural form: line
lights
CL Vehicles and vehicle components
BT <ancillary gauges and instrumentation>
line name plate
Scope note required.
Literary warrant required.
Plural form: line name plates
CL Unidentified
BT <unidentified terms>
line replaceable unit
Scope note required.
Literary warrant required.
Plural form: line replaceable units
CL Unidentified
BT <unidentified terms>
line (track)
A single line of rails.
Literary warrant required.
Plural form: lines
UF road (track)
CL Track and track components
NT running line
NT siding
NT spur line
NT <lines by maintenance>
NT <loops, refuges, etc.>
NT <platform roads>
NT <shunting roads>
linemans board
A board indicating 'S' or
'T' exhibited on the external wall of a signalbox requesting the attendance of a
signal or telegraph lineman to a fault.
Warrant: Ray Towell, Curator of
Operations, National Railway Museum
Plural form: linemans boards
CL Control and communications
BT <communications>
liner (maintenance vehicle)
An on-track machine used to
pull the track to correct alignment.
Warrant: On-track plant on British
Railways, Roger Butcher, Platform 5 Publishing Ltd, 4th edition, 1981, p36
Plural form: liners (maintenance vehicles)
CL Vehicles and vehicle components
BT <track maintenance vehicles>
<lines by maintenance>
Scope note required.
Plural form: <lines by maintenance>
CL Track and track components
BT line (track)
NT gangers length
lineside fencing
The railings or fences along
the sides of the railway track enclosing the lines and preventing unauthorised
access.
Warrant: Railway Terminology Working Group
Plural form: lineside
fencing
CL Built works and components
BT <route structures>
lineside hut
Any cabin or hut situated
alongside the railway line for the use of railway employees.
Warrant:
Gibbon, Richard H. BSc, FIMechE, CIEng, Head of Engineering Collections,
National Railway Museum, York
Plural form: lineside huts
CL Built works and components
BT <route maintenance structures>
lining brush
A thin paint brush used for
painting the lines and insignia on vehicle bodies.
Literary warrant
required.
Plural form: lining brushes
CL Tools and equipment
BT coach painting equipment
link motion
A type of valve motion
developed by William Howe at the Stephenson Locomotive Works in 1842, removing
the need for eccentric shifts and eliminating the vulnerable forks or gabs of
the earlier motion, generally known as Stephenson Valve Gear.
Warrant:
Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue & Co
Ltd, 1952
Plural form: link motions
USE Stephenson valve gear
CL Vehicles and vehicle components
BT valve gear
link rod
Scope note required.
Warrant: Developments in Locomotive Practice, Bowen Cooke, 1910
Plural form:
link rods
CL Vehicles and vehicle components
BT valve gear component
link valve gear
A type of valve
motion developed by William Howe at the Stephenson Locomotive Works in 1842,
removing the need for eccentric shifts and eliminating the vulnerable forks or
gabs of the earlier motion, generally known as Stephenson Valve Gear.
Warrant: Railway Technical Web Pages, Piers Connor, 2000
Plural form: link
valve gears
USE Stephenson valve gear
CL Vehicles and vehicle components
BT valve gear
linoleum wagon
A railway vehicle dedicated
to the carriage of floor cloth and linoleum.
Warrant: Wagons on the LNER -
North British, John Hooper, Irwell Press, 1991 p63
Plural form: linoleum
wagons
UF floor cloth wagon
CL Vehicles and vehicle components
BT <other special traffic vehicles>
<liquid carrying vehicles>
Railway vehicles constructed
for the carriage of bulk liquids.
Plural form: <liquid carrying
vehicles>
CL Vehicles and vehicle components
BT <rolling stock by load or function>
NT <liquid fuel and lubricant carrying vehicles>
<liquid fuel and lubricant carrying
vehicles>
Railway vehicles dedicated
to the carriage of petroleum, aviation spirit, fuel oils, and lubricating oils,
etc.
Plural form: <liquid fuel and lubricant carrying vehicles>
CL Vehicles and vehicle components
BT <liquid carrying vehicles>
NT oil tank wagon
liquid fuel burner
Scope note required.
Literary warrant required.
Plural form: liquid fuel burners
UF burner
CL Vehicles and vehicle components
BT <fuel combustion components>
NT Holdens liquid fuel burner
NT oil burner
littleboy
A wooden surveying
instrument to enable accurate measurements to be related back to the running
edge of the rail. Also known as a rail clip.
Warrant: LUL Jargon Buster
Plural form: littleboys
UF rail clip (surveying instrument)
CL Tools and equipment
BT surveying equipment
live rail
An electrical conductor
for transmitting power to locomotives or train on third or fourth rail
electrified lines.
Warrant: Encyclopedia of Railways, O S Nock, 1977
Plural form: live rails
USE positive conductor rail
CL Track and track components
BT conductor rail
live steam injector
A mechanism for forcing
water from the water tank into the boiler using steam from the boiler.
Warrant: Lexique General de Termes Ferroviares, Union Internationale des Chemins
de Fer, 1975
Plural form: live steam injectors
CL Vehicles and vehicle components
BT injector
livery sample
A sample of corporate
livery, usually a painted panel, often used for paint matching.
Literary
warrant required.
Plural form: livery samples
UF paint panel
CL Commercial records and equipment
BT <corporate identity>
<livestock carrying vehicles>
Railway vehicles dedicated
to the carriage of livestock.
Plural form: <livestock carrying
vehicles>
CL Vehicles and vehicle components
BT <rolling stock by load or function>
NT cattle van
NT cattle wagon
NT horse box
NT hound van
NT pigeon van
NT sheep wagon
livestock train
A train specifically
conveying cattle or other livestock.
Literary warrant required.
Plural
form: livestock trains
CL Vehicles and vehicle components
BT passenger rated traffic train
load securing chain
Scope note required.
Literary warrant required.
Plural form: load securing chains
CL Vehicles and vehicle components
BT <load support and securing components>
<load support and securing components>
Scope note required.
Plural form: <load support and securing components>
CL Vehicles and vehicle components
BT vehicle component
NT baulk (load support)
NT bolster (load bearer)
NT chain (load securing)
NT load securing chain
NT rope (load securing)
NT stanchion (load securing)
NT tarpaulin bar
NT trestle
NT wagon sheet
loading gauge (object)
A lineside structure used
for checking the height of loaded wagons to ensure that the load will not to
foul lineside bridges, etc.
Literary warrant required.
Plural form:
loading gauges
CL Built works and components
BT <freight transhipment structures>
loading ramp
A ramp used to facilitate
the transfer of non-portable goods into a railway vehicle.
Warrant: Lexique
General de Termes Ferroviares, Union Internationale des Chemins de Fer, 1975
Plural form: loading ramps
CL Tools and equipment
BT <station tools and equipment>
local bond circuit
A circuit which connects
together the positive and negative electrical connections to all saloon door
open valves when the door open circuit is de-energised to prevent stray feeds
energising the valves.
Warrant: LUL Jargon Buster
Plural form: local
bond circuits
CL Vehicles and vehicle components
BT <secondary electrical circuitry>
local control unit
Equipment provided at an
automatic level crossing, CCTV, remotely controlled manned level crossing or
other crossing to enable it to be manually operated locally.
Warrant: The
History & Development of Railway Signalling in the British Isles, Friends of
the National Railway Museum
Plural form: local control units
CL Control and communications
BT <local control>
RT level crossing
<local control>
Control levers, switches,
buttons and other human interfaces situated immediately adjacent to the
equipment they actuate.
Plural form: <local control>
CL Control and communications
BT <point and signal actuation>
NT local control unit
NT point lever (trackside)
local panel
A control panel provided for
alternative or emergency control of signalling.
Warrant: The History &
Development of Railway Signalling in the British Isles, Friends of the National
Railway Museum
Plural form: local panels
CL Control and communications
BT control panel
local ticket
Scope note required.
Literary warrant required.
Plural form: local tickets
CL Commercial records and equipment
BT <travel tickets by type of journey>
locally controlled manned level crossing
A manned level crossing
equipped with full barriers or gates and operated locally by a signalman or
crossing keeper.
Warrant: The History & Development of Railway
Signalling in the British Isles, Friends of the National Railway Museum
Plural form: locally controlled manned level crossings
CL Control and communications
BT manned level crossing
Locher system locomotive
A locomotive fitted with a
rack system for gradients steeper than 1 in 4, with a pair of horizontal pinions
meshing with a double horizontal rack.
Warrant: Science Museum Catalogue
Plural form: Locher systems
CL Vehicles and vehicle components
BT rack locomotive
lock indicator
Scope note required.
Literary warrant required.
Plural form: lock indicators
CL Control and communications
BT section indicator
lock pillar
A door pillar forming the
opening edge of a vehicle door (i.e. the one in which the lock is morticed).
Warrant: Railway Carriages and Wagons: Their design and construction (reprinted
articles from The Railway Engineer 1892-7), Sidney Stone, republished by Peter
Kay, circa 1997 Fig 511.
Plural form: lock pillars
CL Vehicles and vehicle components
BT door pillar
lock (interlocking component)
A shaped piece of steel
forming part of the interlocking equipment in a manually interlocked lever
frame. When fitted into a port on an interlocking tappet, it is displaced as the
corresponding lever is moved. If any other lever to which the lock is connected
is wrongly set, the lock will be unable to slide and the lever that the
signalman is attempting to pull will be locked in place.
Warrant: Signalling
in the age of steam, M A Vanns, Ian Allan, 1995
Plural form: locks
(interlocking component)
CL Control and communications
BT <mechanical interlocking equipment>
lock (vehicle door fitting)
Scope note
required.
Literary warrant required.
Plural form: locks (vehicle door
fittings)
USE vehicle door lock
CL Vehicles and vehicle components
BT vehicle door component
locking bar (interlocking component)
A bar that connects two or
more of the locks that prevent the signalling of conflicting movements in a
mechanically interlocked lever frame.
Warrant: Signalling in the age of
steam, M A Vanns, Ian Allan, 1995
Plural form: locking bars (interlocking
component)
CL Control and communications
BT <mechanical interlocking equipment>
lockout system equipment
A system which allows a
person requiring access to the track, to restrict or prevent the passage of
trains for safety purposes.
Warrant: The History & Development of
Railway Signalling in the British Isles, Friends of the National Railway Museum
Plural form: lockout system equipment
CL Control and communications
BT <occupation protection equipment>
loco coal wagon
A wagon dedicated to the
conveyance of coal to locomotive sheds.
Warrant: Phil Atkins, National
Railway Museum
Plural form: loco coal wagons
CL Vehicles and vehicle components
BT <vehicles for stores and consumables>
loco sand wagon
A wagon dedicated to the
conveyance of sand to locomotive sheds where it was placed in locomotive
sandboxes to enhance adhesion.
Warrant: Phil Atkins, National Railway Museum
Plural form: loco sand wagons
CL Vehicles and vehicle components
BT <vehicles for stores and consumables>
loco shed
A structure designed to
accommodate locomotives under cover.
Warrant: Phil Atkins, National Railway
Museum
Plural form: loco sheds
USE engine shed
CL Built works and components
BT <motive power stabling and servicing structures>
locomotive
A powered vehicle used for
hauling trains but not itself carrying any load other than its own fuel, etc.
For load carrying motive power units see 'self-propelled rolling stock'.
Warrant: Lexique General de Termes Ferroviares, Union Internationale des Chemins
de Fer, 1975
Plural form: locomotives
UF engine
CL Vehicles and vehicle components
BT vehicle
NT <locomotives by adhesion method>
NT <locomotives by condition>
NT <locomotives by function>
NT <locomotives by gauge>
NT <locomotives by innovation>
NT <locomotives by power source>
NT <locomotives by scale>
NT <locomotives by transmission>
NT <locomotives by wheel arrangement>
RT self-propelled rolling stock
locomotive badgeplate
An ornamental plate attached
to locomotive in addition to the nameplate, usually representing the name of the
locomotive.
Warrant: British Locomotive Builders' Plates, K Buckle & D
Love, Midland Publishing Ltd, 1994
Plural form: locomotive badgeplates
CL Vehicles and vehicle components
BT nameplate
locomotive bell
A bell fitted to a
locomotive to give warning of its approach. Seldom used in British practice
(whistles being the norm) but some locomotives carried commemorative bells
presented during visits to other countries.
Warrant: Locomotive Cyclopedia
1947, Simmons-Boardman Corporation, 13th Ed, 1947
Plural form: locomotive
bells
CL Vehicles and vehicle components
BT <warning devices>
locomotive boiler plate
The steel plate used for
manufacturing steam locomotive boilers.
Warrant: Steam Locomotion, E C
Poultney & C R H Simpson, Caxton Publishing Company, 1951
Plural form:
locomotive boiler plates
CL Vehicles and vehicle components
BT boiler component
locomotive boiler tube
One of the
horizontal pipes carrying smoke and burning gases from the firebox to the
smokebox, heating the boiler water which surrounds them and thus producing the
steam. The term 'boiler tube' is generally used to mean smoke tube but use
'water tube' if appropriate.
Warrant: Locomotives and Their Working, C R H
Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural form: locomotive
boiler tubes
USE smoke tube
CL Vehicles and vehicle components
BT <heat exchange components>
locomotive cab
The portion of a locomotive,
usually enclosed, which accommodates the enginemen.
Warrant: Locomotives and
Their Working, C R H Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural form: locomotive cabs
CL Vehicles and vehicle components
BT cab
locomotive cabside number plate
A cast plate carrying the
running number of a locomotive.
Warrant: Great Western Way, J N Slinn,
Historical Model Railway Society, 1978
Plural form: locomotive cabside
number plates
CL Vehicles and vehicle components
BT locomotive number plate
locomotive cabside plate
Use
'cabside number plate' if appropriate. For any other kind of cabside plate, use
the appropriate term (e.g. 'works plate' for a cabside works plate, 'locomotive
plaque' for a commemorative paque affixed to the side of the cab, etc.).
Warrant: Great Western Way, J N Slinn, Historical Model Railway Society, 1978
Plural form: locomotive cabside plates
USE cabside number plate
CL Vehicles and vehicle components
BT locomotive number plate
locomotive chimney
The often aesthetically
styled casting from which the exhaust of a steam locomotive emerges.
Warrant: Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue
& Co Ltd, 1952
Plural form: locomotive chimneys
UF chimney
CL Vehicles and vehicle components
BT smokebox component
NT capuchon
locomotive component
Scope note required.
Literary warrant required.
Plural form: locomotive components
CL Vehicles and vehicle components
BT <components by type of vehicle>
NT locomotive tender
locomotive connecting rod big end
Scope note required.
Literary warrant required.
Plural form:
locomotive connecting rod big ends
USE connecting rod big end
CL Vehicles and vehicle components
BT <power transmission components>
locomotive cylinder
The component of a steam
locomotive with which a portion of the heat energy in the steam is converted
into mechanical work.
Warrant: Locomotives and Their Working, C R H Simpson
& F B Roberts, Virtue & Co Ltd, 1952
Plural form: locomotive
cylinders
CL Vehicles and vehicle components
BT <cylinders and associated components>
locomotive cylinder and hornblock optical aligning
equipment
Equipment designed to check
that the cylinders and frames of a loco are truly aligned.
Warrant: Swindon
Steam 1921-1951, K J Cook, Ian Allan Ltd, 1974
Plural form: locomotive
cylinder and hornblock optical aligning equipment
CL Tools and equipment
BT engineering workshop tools and equipment
locomotive depot
A depot for
stabling, servicing and maintaining locomotives.
Warrant: Steam Motive Power
Depots, E S Beavor, Ian Allan Ltd, 1983
Plural form: locomotive depots
USE motive power depot
CL Built works and components
BT <vehicle stabling and servicing complexes>
locomotive driving wheel
The wheel onto which the
crank axle is attached to communicate power from the piston.
Warrant: Phil
Atkins, National Railway Museum
Plural form: locomotive driving wheels
UF driving wheel
CL Vehicles and vehicle components
BT <wheels by function>
NT coupled wheel
NT rack driving wheel
locomotive frame
Scope note required.
Warrant: Great Western Railway Drawing Registers
Plural form: locomotive
frames
UF frame (loco component)
CL Vehicles and vehicle components
BT <locomotive frame assemblies>
NT bar frame
NT plate frame
<locomotive frame assemblies>
Scope note required.
Plural form: <locomotive frame assemblies>
CL Vehicles and vehicle components
BT running gear
NT buffer beam
NT frame assembly
NT frame casting
NT frame plate
NT frame stay
NT horn block
NT horn plate
NT horn (axlebox)
NT horn (loco component)
NT locomotive frame
NT motion plate
NT running plate
NT spectacle plate (frame component)
NT valance
locomotive hauled stock
Rolling stock hauled by a
locomotive as opposed to powered stock.
Warrant: Phil Atkins, National
Railway Museum
Plural form: locomotive hauled stock
CL Vehicles and vehicle components
BT <rolling stock by propulsion>
locomotive headlamp
A lamp carried on the front
of a locomotive in order to display the headcode of the train at night. For high
powered lamps primarily intended to illuminate the way ahead, use
'headlight'.
Warrant: Lexique General de Termes Ferroviares, Union
Internationale des Chemins de Fer, 1975
Plural form: locomotive
headlamps
CL Control and communications
BT <on-train signals>
locomotive lamp
A lamp carried on the front
of a locomotive in order to display the headcode of the train at night. For high
powered lamps primarily intended to illuminate the way ahead, use
'headlight'.Use a more precise term if possible. For locomotive head and tail
lamps see <on-train signals> in the Control and communications class. For
fixed locomotive head and tail lamps see <fixed head and tail lamps> in
this class. For cab lights see <artificial lighting components>.
Literary warrant required.
Plural form: locomotive lamps
CL Vehicles and vehicle components
BT <artificial lighting components>
RT <on-train signals>
locomotive number plate
Scope note required.
Warrant: Great Western Way, J N Slinn, Historical Model Railway Society, 1978
Plural form: locomotive number plates
CL Vehicles and vehicle components
BT number plate
NT cabside number plate
NT cabside plate
NT locomotive cabside number plate
NT locomotive splasher number
NT smokebox number plate
locomotive railway
A railway on which trains
are hauled by locomotives.
Literary warrant required.
Plural form:
locomotive railways
CL Railway types
BT <traction source moving with train>
locomotive repair shop
A complex within which
locomotive repairs are undertaken.
Warrant: Repairing of Locomotives, E L
Ehrons, Locomotive Publishing Company, 1922
Plural form: locomotive repair
shops
CL Built works and components
BT <construction and repair structures>
locomotive smokebox door plate
A plate fixed to the inside
of a smokebox door to protect the door from hot ash.
Warrant: A Pictorial
Record of British Railways Standard Steam Locomotives, E Talbot, Oxford
Publishing Company, 1982
Plural form: locomotive smokebox door plates
CL Vehicles and vehicle components
BT smokebox component
locomotive speedometer
A device for registering the
operating speed of a locomotive.
Warrant: How Fast, Smith's Industrial
Instruments Ltd/J Stone & Co. (Deptford) Ltd, undated
Plural form:
locomotive speedometers
CL Vehicles and vehicle components
BT <speed regulation components>
locomotive splasher number
Scope note required.
Literary warrant required.
Plural form: locomotive splasher numbers
CL Vehicles and vehicle components
BT locomotive number plate
locomotive steam gauge
A device for registering the
operating pressure of a locomotive boiler.
Warrant: Locomotives and Their
Working, C R H Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural
form: locomotive steam gauges
CL Vehicles and vehicle components
BT <fuel and water controls and gauges>
locomotive steam whistle
A steam operated warning
device on a steam locomotive.
Warrant: Locomotive Cyclopedia of American
Practice, 13th Edition, 1947
Plural form: locomotive steam whistles
CL Vehicles and vehicle components
BT whistle
locomotive stop board
Scope note required.
Literary warrant required.
Plural form: locomotive stop boards
CL Unidentified
BT <unidentified terms>
locomotive tender
A separate vehicle attached
to a steam locomotive which conveys its fuel and water supplies.
Warrant:
Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue & Co
Ltd, 1952
Plural form: locomotive tenders
UF tender
CL Vehicles and vehicle components
BT locomotive component
NT corridor tender
NT steam tender
locomotive testing equipment
Equipment for checking and
proving the operation of locomotives.
Warrant: National Railway Museum
Plural form: locomotive testing equipment
CL Tools and equipment
BT <rolling stock testing equipment and records>
NT ball accelerometer
NT dynamometer instrument
NT injector cone gauge
NT speed indicator and recorder
NT speed recorder
NT static load test bed
NT steam locomotive indicator
locomotive type fusible boiler plug
A plug made of low melting
point metal which will melt in the event of the firebox crown becoming uncovered
and admit high pressure steam rather than the firebox wall.
Warrant:
Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue & Co
Ltd, 1952
Plural form: locomotive type fusible boiler plugs
CL Vehicles and vehicle components
BT firebox component
locomotive water tank
Scope note required.
Literary warrant required.
Plural form: locomotive water tanks
UF tank (locomotive component)
UF water tank (locomotive component)
CL Vehicles and vehicle components
BT <water storage components>
NT pannier tank (locomotive component)
NT saddle tank
NT side tank
NT well tank
locomotive weighing equipment
Specialist equipment used
for measuring the weight of locomotives.
Literary warrant required.
Plural form: locomotive weighing equipment
CL Tools and equipment
BT weighing equipment
locomotive whistle
A locomotive warning device
operated by either steam or compressed air.
Warrant: Locomotive Management,
10th edition, J T Hodgson & C S Lake, revised by W B Oaten, Tothill Press,
1954
Plural form: locomotive whistles
CL Vehicles and vehicle components
BT whistle
locomotive works
A facility which undertakes
the construction and/or repair of locomotives.
Warrant: The Railway Workshops
of Britain, 1823-1986, E J Larkin & J G Larkin, Oxford Publishing Company,
1992
Plural form: locomotive works
CL Built works and components
BT <construction and repair complexes>
locomotive works plate
A cast metal plate
identifying the locomotive date and location of manufacture of the locomotive to
which it affixed.
Warrant: British Locomotive Builders' Plates, K Buckle
& D Love, Midland Publishing Ltd, 1994
Plural form: locomotive works
plates
CL Vehicles and vehicle components
BT works plate
<locomotives by activity>
Locomotives grouped
according to any special type of activity that they are designed to undertake.
Plural form: <locomotives by activity>
CL Vehicles and vehicle components
BT <locomotives by function>
NT banking locomotive
NT service locomotive
NT shunting locomotive
NT turnover locomotive
<locomotives by adhesion method>
Locomotives grouped
according to the way in which they obtain sufficient purchase to haul their
load.
Plural form: <locomotives by adhesion method>
CL Vehicles and vehicle components
BT locomotive
NT rack locomotive
<locomotives by condition>
Scope note required.
Plural form: <locomotives by condition>
CL Vehicles and vehicle components
BT locomotive
NT dead locomotive
NT failed locomotive
<locomotives by function>
Locomotives grouped
according to any special functions that they are designed to perform or
subsequently undertake. Terms grouped here may be applied to locomotives
temporarily undertaking roles for which they were not specifically designed. For
example, a photograph of a mixed traffic locomotive on banking duties could be
indexed under 'banking engine' even though it was not designed for that role.
Plural form: <locomotives by function>
CL Vehicles and vehicle components
BT locomotive
NT ornamental locomotive
NT <locomotives by activity>
NT <locomotives by intended load>
NT <locomotives by operating environment>
<locomotives by gauge>
Locomotives grouped by the
track gauge on which they run.
Plural form: <locomotives by gauge>
CL Vehicles and vehicle components
BT locomotive
NT broad gauge locomotive
NT monorail locomotive
NT narrow gauge locomotive
NT standard gauge locomotive
<locomotives by innovation>
Locomotives grouped by the
degree to which they are innovative or experimental.
Plural form:
<locomotives by innovation>
CL Vehicles and vehicle components
BT locomotive
NT conventional locomotive
NT experimental locomotive
NT prototype locomotive
<locomotives by intended load>
Locomotives grouped
according to the type of train that they are designed to haul.
Plural form:
<locomotives by intended load>
CL Vehicles and vehicle components
BT <locomotives by function>
NT freight locomotive
NT mixed traffic locomotive
NT passenger locomotive
<locomotives by operating environment>
Locomotives grouped
according to any special type of location or environment in which they are
designed to operate.
Plural form: <locomotives by operating
environment>
CL Vehicles and vehicle components
BT <locomotives by function>
NT contractors locomotive
NT fairground locomotive
NT flameproof locomotive
NT industrial locomotive
NT mountain locomotive (environment)
NT tram engine
NT tunnel locomotive
NT underground locomotive (mining)
<locomotives by power source>
Locomotives grouped
according to the energy source that drives them. In the case of locomotives that
derive the power for the traction motors from the on-board conversion of another
energy source (e.g. diesel electric locomotives) the locomotive is primarily
indexed according to the initial energy source (i.e. a diesel electric
locomotive is treated as a species of diesel locomotive).
Plural form:
<locomotives by power source>
CL Vehicles and vehicle components
BT locomotive
NT clockwork locomotive
NT electric locomotive
NT gas turbine locomotive
NT internal combustion locomotive
NT jet powered locomotive
NT steam locomotive
<locomotives by scale>
Locomotives grouped
according to scale (model, miniature, etc.)
Plural form: <locomotives by
scale>
CL Vehicles and vehicle components
BT locomotive
NT miniature locomotive
NT model locomotive
<locomotives by transmission>
Locomotives grouped by the
method used to transmit power from the primary motive power unit to the wheels.
Plural form: <locomotives by transmission>
CL Vehicles and vehicle components
BT locomotive
NT compressed air transmission locomotive
NT electrical transmission locomotive
NT hydraulic transmission locomotive
NT mechanical transmission locomotive
<locomotives by wheel arrangement>
Locomotives grouped
according to the disposition of driving and trailing wheels.
Plural form:
<locomotives by wheel arrangement>
CL Vehicles and vehicle components
BT locomotive
NT articulated locomotive
NT bogie locomotive
NT eight coupled locomotive
NT four coupled locomotive
NT single wheeler locomotive
NT six coupled locomotive
NT ten coupled locomotive
NT twelve coupled locomotive
locomotive-tender coupling
The linkage between a
locomotive and its tender.
Warrant: Great Western Railway Drawing Registers
Plural form: locomotive-tender couplings
CL Vehicles and vehicle components
BT coupling
RT tender
log of locomotive performance
Scope note required.
Warrant: British Railways Standard Steam Locomotives, E S Cox, Ian Allan, 1966
Plural form: logs of locomotive performance
CL Tools and equipment
BT <rolling stock testing equipment and records>
logging railway
Scope note
required.
Literary warrant required.
Plural form: logging railways
USE forestry railway
CL Railway types
BT freight railway
logo
A semi-abstract graphic
design acting as a corporate identifier, often incorporating the initials of the
organisation or related conceptual symbolism.
Literary warrant required.
Plural form: logos
CL Commercial records and equipment
BT <corporate identity>
long boiler locomotive
A type of locomotive
patented by Robert Stephenson in 1842 which was provided with a boiler longer
than the usual 9ft of the day in order to increase steam raising and
efficiency.
Warrant: Railway Technical Web Pages, Piers Connor, 2000
Plural form: long boiler locomotives
CL Vehicles and vehicle components
BT <steam locomotives by boiler characteristics>
long section token
A type of token covering
more than one single line section where an intermediate signalbox is switched
out or in radio electronic token block areas.
Warrant: The History &
Development of Railway Signalling in the British Isles, Friends of the National
Railway Museum
Plural form: long section tokens
CL Control and communications
BT block token
long welded rail
Rails welded together to
form a single rail length over 36m, or 55m in tunnels with a limited temperature
gauge.
Warrant: Railtrack London & North Eastern, A Glossary of Railway
Terms, October 1998
Plural form: long welded rails
CL Track and track components
BT <rails by treatment>
longhouse
Scope note required.
Literary warrant required.
Plural form: longhouses
CL Built works and components
BT engine shed
longitudinal frame member
Any carriage or wagon
underframe timber running parallel with the axis of the frame other than the two
outer ones, which are designated 'solebars'.
Warrant: Railway Mechanical
Engineering, A R Bell et al., Gresham Publishing Company Ltd, 1923 p99
Plural form: longitudinal frame members
CL Vehicles and vehicle components
BT underframe component
longitudinal sleeper
A timber bearer parallel to
and supporting a running rail.
Warrant: Railtrack Group Standard
Plural
form: longitudinal sleepers
CL Track and track components
BT <sleepers by orientation>
RT waybeam
longitudinal timber
A large cross
section baulk of timber used on some bridges, positioned under each rail
longitudinally, to act as a beam and as securing point for baseplates.
Warrant: Railtrack Jargon Buster, 1999
Plural form: longitudinal timbers
USE waybeam
CL Track and track components
BT <track bearers>
RT longitudinal sleeper
lookouts arm band
A band worn on the arm of a
look-out to signify his rank and duties.
Warrant: British Railway Track:
Design, Construction and Maintenance, G H Cope (Ed), The Permanent Way
Institution, 6th Edition, 1993
Plural form: lookouts arm bands
CL Tools and equipment
BT lookouts equipment
lookouts equipment
The tools and equipment used
by the railway look-out to enable him to carry out his duties.
Literary
warrant required.
Plural form: lookouts equipment
CL Tools and equipment
BT <track workers safety equipment>
NT lookouts arm band
NT lookouts horn
NT lookouts klaxon
NT lookouts rattle
NT safety rattle
NT warning rattle
lookouts horn
A warning horn blown by a
look-out to warn trackside workers of the approach of a train.
Literary
warrant required.
Plural form: lookouts horns
CL Tools and equipment
BT lookouts equipment
lookouts klaxon
A mechanical warning horn
operated by a look-out to warn trackside workers of the approach of a train.
Literary warrant required.
Plural form: lookouts klaxons
CL Tools and equipment
BT lookouts equipment
lookouts rattle
A rattle sounded by a
look-out to warn trackside workers of the approach of a train.
Literary
warrant required.
Plural form: lookouts rattles
CL Tools and equipment
BT lookouts equipment
loop line
A siding with a connection
to the running line at each end to enable a locomotive to run round a train or
to allow a faster train to overtake a slow train.
Warrant: Railtrack Jargon
Buster, 1999
Plural form: loop lines
CL Track and track components
BT <loops, refuges, etc.>
RT run-round
<loops, refuges, etc.>
Sidings, loop lines, etc.
used to hold slow trains out of the way to allow faster trains to pass.
Plural form: <loops, refuges, etc.>
CL Track and track components
BT line (track)
NT loop line
NT meeting
NT refuge siding
RT <route complexes>
lorry plate
Scope note required.
Literary warrant required.
Plural form: lorry plates
CL Unattributed
BT <unattributed>
louvred ventilator
An external ventilator,
generally situated over a door drop light, and covered by a series of horizontal
louvres.
Warrant: The Illustrated history of LMS standard coaching stock Vol
3: Non-corridor, special purpose and self-propelled vehicles, David Jenkinson
& Bob Essery, Oxford Publishing Company, 2000 p8
Plural form: louvred
ventilators
CL Vehicles and vehicle components
BT ventilator
low machine wagon
A specially constructed
wagon with low centre design to convey large machines within the loading gauge
of the railway.
Warrant: Phil Atkins, National Railway Museum
Plural
form: low machine wagons
UF lowmac wagon
CL Vehicles and vehicle components
BT <machinery, etc. carrying vehicles>
low sided wagon
An open railway wagon with
sides one plank high.
Warrant: An Illustrated History of BR Wagons, Volume
1, Paul Bartlett, David Larkin, Trevor Mann, Roger Silsbury & Andrew Ward,
Oxford Publishing Company, 1985
Plural form: low sided wagons
CL Vehicles and vehicle components
BT <open vehicles by height>
lower quadrant
A semaphore signal
whose arm, normally hoizontal, falls to about 45 degrees below horizontal when
pulled off.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology,
Alan A Jackson, Alan Sutton Publishing, 1996
Plural form: lower
quadrants
USE lower quadrant signal
CL Control and communications
BT semaphore signal
lower quadrant signal
A semaphore signal whose
arm, normally horizontal, falls to about 45 degrees below horizontal when pulled
off.
Warrant: British Railway Signalling, G Kichenside & A Williams, Ian
Allan, 3rd edition, 1975
Plural form: lower quadrant signals
UF lower quadrant
CL Control and communications
BT semaphore signal
lowmac wagon
A specially constructed
wagon with low centre design to convey large machines within the loading gauge
of the railway.
Warrant: Phil Atkins, National Railway Museum
Plural
form: lowmac wagons
USE low machine wagon
CL Vehicles and vehicle components
BT <machinery, etc. carrying vehicles>
lubricant dispenser
Scope note required.
Literary warrant required.
Plural form: lubricant dispensers
CL Vehicles and vehicle components
BT lubrication component
lubrication component
Scope note required.
Literary warrant required.
Plural form: lubrication component
CL Vehicles and vehicle components
BT vehicle component
NT lubricant dispenser
NT lubricator
NT lubricator anti-carboniser
NT lubricator pot
NT lubricator regulating valve
NT oil filter
NT oil pad
NT oil trimming
lubrication equipment
Tools and equipment used for
applying oil, grease or other lubricants to moving part of machinery and
vehicles.
Literary warrant required.
Plural form: lubrication
equipment
CL Tools and equipment
BT engineering workshop tools and equipment
NT grease dispenser
NT oil dispenser
lubricator
A device designed to
dispense lubricant to bearing and other working surfaces.
Warrant:
Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue & Co
Ltd, 1952
Plural form: lubricators
CL Vehicles and vehicle components
BT lubrication component
NT cylinder lubricator
NT Detroit sight feed lubricator
NT displacement lubricator
NT double sight-feed lubricator
NT mechanical lubricator
NT Ramsbottom displacement lubricator
NT sight-feed lubricator
NT Silvertown mechanical lubricator
lubricator anti-carboniser
A fitting incorporated
within the delivery line from the lubricant to the steam chest where steam is
mixed with oil in order to stop the oil carbonising when it enters the hot steam
passages within the steam chest.
Warrant: Locomotives and Their Working, C R
H Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural form:
lubricator anti-carbonisers
CL Vehicles and vehicle components
BT lubrication component
lubricator pipe description plate
Scope note required.
Literary warrant required.
Plural form: lubricator pipe description
plates
CL Vehicles and vehicle components
BT <component identifier>
RT lubrication component
lubricator pot
Scope note required.
Literary warrant required.
Plural form: lubricator pots
CL Vehicles and vehicle components
BT lubrication component
lubricator regulating valve
A valve fitted to the
lubricator to adjust the flow of oil.
Warrant: Steam Locomotive Lubrication,
P W Skellon, MIC Publications, 1997
Plural form: lubricator regulating
valves
CL Vehicles and vehicle components
BT lubrication component
luggage label
A label attached to luggage
en route showing destination and ownership.
Literary warrant required.
Plural form: luggage labels
CL Commercial records and equipment
BT <parcel and freight traffic accounting>
luggage label booklet
A book of luggage
labels.
Literary warrant required.
Plural form: luggage label
booklets
CL Commercial records and equipment
BT <parcel and freight traffic accounting>
luggage rack
A shelf provided in a
passenger vehicle for storage of passenger's belongings.
Warrant: Lexique
General de Termes Ferroviares, Union Internationale des Chemins de Fer, 1975
Plural form: luggage racks
CL Vehicles and vehicle components
BT <luggage storage components>
luggage rack bracket
Scope note required.
Literary warrant required.
Plural form: luggage rack brackets
CL Vehicles and vehicle components
BT <luggage storage components>
luggage slide
A smooth surfaced ramp for
sliding luggage down when unloading from the train onto the platform.
Literary warrant required.
Plural form: luggage slides
CL Tools and equipment
BT <station tools and equipment>
<luggage storage components>
Scope note required.
Plural form: <luggage storage components>
CL Vehicles and vehicle components
BT <passenger and staff facility components>
NT luggage rack
NT luggage rack bracket
luggage trolley
A wheeled hand cart for
carrying passengers' luggage.
Literary warrant required.
Plural form:
luggage trolleys
CL Tools and equipment
BT <station trolleys and barrows>
luggage van (no passenger accommodation)
A railway vehicle dedicated
solely to the carriage of passenger's luggage.
Literary warrant required.
Plural form: luggage vans (no passenger accommodation)
CL Vehicles and vehicle components
BT <mail, parcels, etc. carrying vehicles>
luggage van (with passenger accommodation)
Scope note required.
Literary warrant required.
Plural form: luggage vans (with passenger
accommodation)
CL Vehicles and vehicle components
BT <passenger carriages by internal layout/facilities>
luggage waybill
A label attached to luggage
in transit to indicate destination, consignee, etc.
Literary warrant
required.
Plural form: luggage waybills
CL Commercial records and equipment
BT <parcel and freight traffic accounting>
0-9, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, [Contents]
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