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,
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N,
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Q,
R,
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T,
U,
V,
W,
X, Y,
Z, [Contents]
vacuum brake 
A braking system in which
the brakes are held off by maintaining a vacuum in an operating cylinder on each
vehicle and applied by partially destroying the vacuum by controlled admission
of air.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology, Alan
A Jackson, Alan Sutton Publishing, 1996
Plural form: vacuum brakes
CL Vehicles and vehicle components
BT continuous brake
vacuum brake cylinder
The cylinder in which a
piston is moved by atmospheric pressure to apply the brakes.
Warrant:
Locomotives, their construction, maintenance and operation, A Morton Bell,
Virtue & Co Ltd, 1946
Plural form: vacuum brake cylinders
UF vacuum cylinder (brake component)
CL Vehicles and vehicle components
BT brake cylinder
vacuum brake cylinder release valve
A valve that can be opened
by hand (typically via a release cord) to equalise the top-side and botton-side
cylinder pressure thus allowing the piston to fall and releasing the brake to
allow shunting movements to take place without a vacuum connection.
Warrant: The Automatic Vacuum Brake, British Railways Board, 1967 p10 (simply
referred to as a 'release valve' as the context is obvious)
Plural form:
vacuum brake cylinder release valves
CL Vehicles and vehicle components
BT <brake controls>
vacuum brake ejector
A steam powered appliance
for exhausting air from the train pipe, and maintaining a partial vacuum.
Literary warrant required.
Plural form: vacuum brake ejectors
UF vacuum ejector
CL Vehicles and vehicle components
BT <brake pumps, etc.>
vacuum brake hose
A flexible hose used for
connecting vacuum brake pipes between vehicles.
Warrant: The Railway
Dictionary, An A-Z of Railway Terminology, Alan A Jackson, Alan Sutton
Publishing, 1996
Plural form: vacuum brake hoses
CL Vehicles and vehicle components
BT <brake pipes, reservoirs, etc.>
vacuum braked vehicle
A vehicle fitted with the
continuous automatic vacuum brake.
Literary warrant required.
Plural
form: vacuum braked vehicles
CL Vehicles and vehicle components
BT fully fitted vehicle
vacuum cleaning van
A vehicle equipped with
vacuum cleaning equipment for use in carriage sidings, etc.
Literary warrant
required.
Plural form: vacuum cleaning vans
CL Vehicles and vehicle components
BT <power and heating vehicles>
vacuum cylinder (brake component)
The
cylinder in which a piston is moved by atmospheric pressure to apply the
brakes.
Warrant: The Handbook for Railway Steam Locomotive Enginemen,
British Transport Commission, 1957
Plural form: vacuum cylinders
USE vacuum brake cylinder
CL Vehicles and vehicle components
BT brake cylinder
vacuum ejector
A steam powered
appliance for exhausting air from the train pipe, and maintaining a partial
vacuum.
Warrant: Great Western Railway Drawing Registers
Plural form:
vacuum ejectors
USE vacuum brake ejector
CL Vehicles and vehicle components
BT <brake pumps, etc.>
vacuum hose
A flexible hose used for
connecting the vacuum brake pipes between vehicles.
Literary warrant
required.
Plural form: vacuum hoses
UF bag (vacuum hose)
CL Vehicles and vehicle components
BT brake hose
<vacuum propulsion systems>
Scope note required.
Warrant: Railway Wonders of the World, C J Allen
Plural form: <vacuum
propulsion systems>
CL Built works and components
BT <stationary propulsion systems>
vacuum propulsion track component
Scope note required.
Literary warrant required.
Plural form: vacuum propulsion track
components
CL Track and track components
BT <stationary propulsion track components>
NT atmospheric pipe
NT atmospheric tube
valance
The angled plate attached to
the edge of a locomotive running plate to provide strength.
Warrant: Railway
Technical Web Pages, Piers Connor, 2000
Plural form: valances
CL Vehicles and vehicle components
BT <locomotive frame assemblies>
valve chest sleeve
A tubular liner fitted to
the steam chest to bring the diameter back to the original size after re-boring
of the cylinders, or to provide a hard-wearing surface.
Warrant: Locomotives
and Their Working, C R H Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural form: valve chest sleeves
CL Vehicles and vehicle components
BT <cylinders and associated components>
RT valve gear
valve connecting link
This was a feature of
Stephensons valve gear with a rocking lever, also Gooch's valve gear and Allan's
straight link gear. It is placed between the die block and the valve spindle,
with the exception of the above mentioned version of Stephensons, where it was
placed between the die block and the rocking lever.
Warrant: Developments in
Locomotive Practice, C J Bowen Cooke, 1910
Plural form: valve connecting
links
CL Vehicles and vehicle components
BT valve gear component
valve cover
Removable cover giving
access to piston or slide valves.
Warrant: Phil Atkins, National Railway
Museum
Plural form: valve covers
CL Vehicles and vehicle components
BT <cylinders and associated components>
valve gear
The apparatus for
controlling the valves that admit steam in and out of the cylinders of a steam
locomotive.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology,
Alan A Jackson, Alan Sutton Publishing, 1996
Plural form: valve gears
UF valve motion
CL Vehicles and vehicle components
BT <engine components>
NT Allan valve gear
NT Baker valve gear
NT Caprotti valve gear
NT conjugated valve gear
NT Hackworth valve gear
NT Heusinger von Waldegg valve gear
NT Joys valve gear
NT Klug valve gear
NT Orenstein valve gear
NT Stephenson valve gear
NT Walchearts valve gear
NT Walschaerts valve gear
NT wedge valve gear
valve gear component
The apparatus for
controlling the steam distribution valve in the cylinder steam chest of a
locomotive.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology,
Alan A Jackson, Alan Sutton Publishing, 1996
Plural form: valve gear
components
CL Vehicles and vehicle components
BT <engine components>
NT anchor link
NT combination lever
NT connecting link
NT drop link
NT eccentric
NT eccentric rod
NT eccentric strap
NT expansion link
NT guide lever
NT lifting arm
NT link rod
NT motion bracket
NT radius rod
NT return crank
NT reverse link
NT reversing gear
NT rocking lever
NT strap (valve component)
NT valve connecting link
NT valve gear tappet
valve gear tappet
Scope note required.
Warrant: Orenstein and Koppel publicity material
Plural form: valve gear
tappets
UF tappet (valve gear)
CL Vehicles and vehicle components
BT valve gear component
valve motion
A general term given to
the mechanism provided to effect steam distribution to the cylinders in a steam
locomotive.
Warrant: Great Western Railway Drawing Registers
Plural
form: valve motion
USE valve gear
CL Vehicles and vehicle components
BT <engine components>
valve rod
The spindle part of the
slide or piston valve which transmits the motion derived from the valve gear to
the valve in the steam chest.
Warrant: Great Western Railway Drawing
Registers
Plural form: valve rods
CL Vehicles and vehicle components
BT <cylinders and associated components>
RT valve gear
van
Scope note required.
Literary warrant required.
Plural form: vans
CL Vehicles and vehicle components
BT <rolling stock by generic name>
vegetable wagon
A railway vehicle dedicated
to the carriage of vegetables.
Literary warrant required.
Plural form:
vegetable wagons
CL Vehicles and vehicle components
BT <foodstuff carrying vehicles>
vehicle
Any item of rolling stock,
powered or otherwise, capable of being moved along a railway track.
Literary
warrant required.
Plural form: vehicles
CL Vehicles and vehicle components
NT locomotive
NT rolling stock
NT <off-track motive power>
<vehicle body subassemblies>
Subassemblies forming part
of a vehicle body. For specific surface areas that do not correspond to a
discrete subassembly (e.g. tumblehome), see '<bodywork areas>'. For
interior divisions, see '<areas within vehicle body>'.
Plural form:
<vehicle body subassemblies>
CL Vehicles and vehicle components
BT bodywork component
NT clerestory
NT ducket
vehicle component
Scope note required.
Literary warrant required.
Plural form: vehicle components
UF rail vehicle component
CL Vehicles and vehicle components
NT balance weight (crane component)
NT body
NT bodywork component
NT lubrication component
NT running gear
NT sanding gear
NT <ancillary electrical equipment>
NT <components by type of vehicle>
NT <consumables storage and handling components>
NT <driving and control components>
NT <load support and securing components>
NT <on-train automatic train protection equipment>
NT <secondary electrical circuitry>
NT <track clearing components>
NT <traction components>
NT <vehicle identity and instruction plates>
vehicle door
Scope note required.
Literary warrant required.
Plural form: vehicle doors
CL Vehicles and vehicle components
BT access component
NT cab hinged door
NT cab sliding door
NT car door
NT J door
NT M door
NT power operated door
NT R door
NT S door
NT saloon sliding door
NT vestibule door
vehicle door component
Scope note required.
Literary warrant required.
Plural form: vehicle door components
UF door component (vehicle)
CL Vehicles and vehicle components
BT access component
NT brake van key
NT cab door interlock
NT carriage door handle and lock
NT carriage door handle backplate
NT carriage door loop handle
NT carriage door slam lock mechanism
NT collapsible gate
NT mechanical door lock
NT saloon bodyside/doorleaf seal
NT saloon communicating threshold
NT saloon door interlock
NT saloon exterior sill plate
NT saloon interior sill plate
NT sill plate
NT vehicle door framing
NT vehicle door handle
NT vehicle door hinge
NT vehicle door lock
NT vehicle door runner
vehicle door framing
Scope note required.
Literary warrant required.
Plural form: vehicle door framing
CL Vehicles and vehicle components
BT vehicle door component
NT bottom door rail
NT door light rail
NT door panel batten
NT door pillar
NT door waist rail
NT fence rail
NT garnish rail
NT top door rail
vehicle door handle
Scope note required.
Literary warrant required.
Plural form: vehicle door handles
UF handle (vehicle door)
CL Vehicles and vehicle components
BT vehicle door component
NT carriage door handle
vehicle door hinge
Scope note required.
Literary warrant required.
Plural form: vehicle door hinges
UF hinge (vehicle door)
CL Vehicles and vehicle components
BT vehicle door component
vehicle door lock
Scope note required.
Literary warrant required.
Plural form: vehicle door locks
UF lock (vehicle door fitting)
CL Vehicles and vehicle components
BT vehicle door component
vehicle door runner
Scope note required.
Literary warrant required.
Plural form: vehicle door runners
UF runner (vehicle door)
CL Vehicles and vehicle components
BT vehicle door component
<vehicle identity and instruction
plates>
Scope note required.
Plural form: <vehicle identity and instruction plates>
CL Vehicles and vehicle components
BT vehicle component
NT dimensions plate
NT identity plate
NT instruction plate
NT <accounting plates, etc.>
NT <commemorative vehicle plaques, etc.>
NT <component identifier>
NT <running record plates, etc.>
vehicle lamp
Scope note required.
Literary warrant required.
Plural form: vehicle lamps
UF lamp (vehicle lighting)
CL Vehicles and vehicle components
BT <artificial lighting components>
vehicle roof board
A board forming part of the
roof cladding of a carriage or van.
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 498
Plural
form: vehicle roof boards
CL Vehicles and vehicle components
BT roof component
NT carriage roof board
vehicle running record holder
Scope note required.
Literary warrant required.
Plural form: vehicle running record holders
CL Vehicles and vehicle components
BT <running record plates, etc.>
vehicle running record plate
Scope note required.
Literary warrant required.
Plural form: vehicle running record plates
CL Vehicles and vehicle components
BT <running record plates, etc.>
<vehicle safety barriers>
Scope note required.
Plural form: <vehicle safety barriers>
CL Vehicles and vehicle components
BT <passenger and staff facility components>
NT inter-car barrier
<vehicle seating>
Scope note required.
Plural form: <luggage storage components>
CL Vehicles and vehicle components
BT <passenger and staff facility components>
NT berth (sleeping)
NT saloon seating
NT seat arm rest
NT seat base
NT seat cover
NT seat cushion
NT seat lock
NT seat riser
NT seat squab
NT seating
NT train operator seating
NT underseat
<vehicle stabling and servicing
complexes>
Scope note required.
Plural form: <vehicle stabling and servicing complexes>
CL Built works and components
BT <complexes>
NT motive power depot
RT <vehicle stabling and servicing structures>
<vehicle stabling and servicing
structures>
Buildings and other
structures connected with the stabling and routine servicing of locomotives and
rolling stock.
Plural form: <vehicle stabling and servicing
structures>
CL Built works and components
BT <single built works>
NT carriage examiners hut
NT carriage shed
NT examiners hut
NT vehicle stabling building
NT waggon shed
NT wagon examiners hut
NT <motive power stabling and servicing structures>
RT <vehicle stabling and servicing complexes>
vehicle stabling building
A building for housing
railway vehicles when not in service.
Warrant: Railway Terminology Working
Group
Plural form: vehicle stabling buildings
CL Built works and components
BT <vehicle stabling and servicing structures>
<vehicle stopping sub-assemblies>
Attachments to the track
that stop or retard vehicles by contact with their wheels.
Plural form:
<vehicle stopping sub-assemblies>
CL Track and track components
BT <track sub-assemblies>
NT chain drag
NT derailer
NT retarder
NT sand drag
NT scotch block
NT stop block
RT buffer stop
VEHICLES AND VEHICLE COMPONENTS
Locomotives, rolling stock
and their component parts. Some tools and equipment carried on rolling stock are
allocated to other classes. Headcode discs, headlamps, tail lamps, etc. are
included in the Control and communications class, even when they are
built into the vehicle (e.g. permanently wired electric head and tail lamps)
although a cross-reference heading is provided within the Vehicles and
vehicle components class (<fixed head and tail lamps>).
CL Vehicles and vehicle components
Hierarchies
NT road vehicle
NT train
NT vehicle
NT vehicle component
NT <consumables>
NT <unattributed vehicle components>
NT <unidentified vehicle components>
<vehicles for permanent way materials>
Scope note required.
Plural form: <vehicles for permanent way materials>
CL Vehicles and vehicle components
BT <service vehicles and on-track plant>
NT ballast wagon
NT platelayers trolley
NT rail wagon
NT road/rail lorry
NT sleeper wagon
NT track panel wagon
NT track trolley
<vehicles for stores and consumables>
Scope note required.
Plural form: <vehicles for stores and consumables>
CL Vehicles and vehicle components
BT <service vehicles and on-track plant>
NT cable drum carrier
NT creosote tank wagon
NT fuel tank wagon (departmental)
NT gas tank wagon
NT loco coal wagon
NT loco sand wagon
NT oil tank wagon (departmental)
NT store truck
NT stores van
NT water tank wagon
<vehicles for waste materials>
Scope note required.
Plural form: <vehicles for waste materials>
CL Vehicles and vehicle components
BT <service vehicles and on-track plant>
NT refuse disposal van
NT sludge tank wagon
NT spent ballast wagon
NT spoil wagon
vent (water tank)
A fitting to
permit the rapid expulsion of air from a water tank when water is being admitted
very rapidly via water pick-up apparatus. Warrant: Great Western Railway Drawing
Registers
Plural form: vents
USE water tank vent
CL Vehicles and vehicle components
BT <water storage components>
ventilated meat van
A railway vehicle dedicated
to the carriage of fresh meat.
Warrant: British Railways Wagons - the first
half million, D P Rowland, David & Charles, 1985 p13 & 70
Plural
form: ventilated meat vans
CL Vehicles and vehicle components
BT meat van
ventilated van
A covered general
merchandise, meat, etc. vehicle with ventilation facilities to ensure air
circulation through the vehicle.
Warrant: British Railways Wagons - the
first half million, D P Rowland, David & Charles, 1985
Plural form:
ventilated vans
CL Vehicles and vehicle components
BT <rolling stock by climate control>
ventilated/insulated meat van
A railway vehicle dedicated
to the carriage of meat and easily convertible to provide a ventilated
environment for fresh meat or refrigeration for chilled meat.
Literary
warrant required.
Plural form: ventilated meat vans
CL Vehicles and vehicle components
BT meat van
ventilation component
Scope note required.
Literary warrant required.
Plural form: ventilation components
CL Vehicles and vehicle components
BT <environmental control components>
NT saloon ventilation
NT ventilation grille
NT ventilator
ventilation grille
Scope note required.
Literary warrant required.
Plural form: ventilation grilles
CL Vehicles and vehicle components
BT ventilation component
ventilator
Scope note required.
Warrant: Great Western Railway Drawing Registers
Plural form:
ventilators
CL Vehicles and vehicle components
BT ventilation component
NT carriage ventilator
NT Dewel ventilator
NT door ventilator
NT hooded ventilator
NT louvred ventilator
NT roof ventilator
NT sliding window ventilator
NT Stones ventilator
Verpilleux system steam tender
Scope note required.
Warrant: Articulated Locomotives, L Wiener, 1930
Plural form: Verpilleux
systems
CL Vehicles and vehicle components
BT permanent steam tender
vertical boilered locomotive
A locomotive with a vertical
boiler.
Warrant: The Clogher Valley Railway, E M Patterson, David &
Charles, 1972
Plural form: vertical boilered locomotives
UF coffee pot (locomotive)
CL Vehicles and vehicle components
BT <steam locomotives by boiler characteristics>
vertical tappet lever frame
A type of mechanical
interlocking frame utilising a vertical locking tray.
Warrant: Ray Towell,
Curator of Operations, National Railway Museum
Plural form: vertical tappet
lever frames
CL Control and communications
BT interlocking frame
vertical tappet signal lever frame
A type of mechanical
interlocking frame utilising a vertical locking tray.
Warrant: Ray Towell,
Curator of Operations, National Railway Museum
Plural form: vertical tappit
signal lever frames
CL Control and communications
BT interlocking frame
vertically printed ticket
Scope note required.
Literary warrant required.
Plural form: vertically printed tickets
CL Commercial records and equipment
BT <tickets by print features>
vestibule
An enclosed space at each
end of a railway carriage giving access to the seating areas and to adjacent
coaches.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology,
Alan A Jackson, Alan Sutton Publishing, 1996
Plural form: vestibules
CL Vehicles and vehicle components
BT <areas within vehicle body>
vestibule door
Scope note required.
Literary warrant required.
Plural form: vestibule doors
CL Vehicles and vehicle components
BT vehicle door
RT vestibule
viaduct
A multi-span bridge
structure.
Warrant: Railtrack London & North Eastern, A Glossary of
Railway Terms, October 1998
Plural form: viaducts
CL Built works and components
BT <bridges by form>
vigilance device
Any arrangement which
requires a driver to take positive action at frequent intervals to prevent the
train from coming to a halt.
Warrant: The Railway Dictionary, An A-Z of
Railway Terminology, Alan A Jackson, Alan Sutton Publishing, 1996
Plural
form: vigilance devices
CL Vehicles and vehicle components
BT <master controls>
NT drivers safety device
NT operators vigilance alarm test
VIP saloon (Inter-city)
Scope note required.
Warrant: Departmental Coaching Stock, Roger Butcher & Peter Fox, Platform 5
Publishing Ltd, 3rd edition, 1987 p43
Plural form: VIP saloons
(Inter-city)
CL Vehicles and vehicle components
BT <passenger carriages by function>
visual display unit
A screen on which various
types of information are displayed.
Warrant: The History & Development
of Railway Signalling in the British Isles, Friends of the National Railway
Museum
Plural form: visual display units
CL Control and communications
BT <non-specific control equipment>
<visual signals>
Scope note required.
Plural form: <visual signals>
CL Control and communications
BT <signals>
NT fixed signal
NT signal component
NT <fixed signal boards>
NT <hand signalling>
NT <on-train signals>
NT <trackside indicators>
voidmeter
A device for measuring the
empty space underneath a sleeper.
Warrant: National Railway Museum
Plural form: voidmeters
CL Tools and equipment
BT gangers equipment
volute bearing spring
A coil spring wound from
flat bar, where one end of the spring is larger that the other to accommodate
the previous coil.
Warrant: Locomotives and Their Working, C R H Simpson
& F B Roberts, Virtue & Co Ltd, 1952
Plural form: volute bearing
springs
CL Vehicles and vehicle components
BT bearing spring
von Borries compound locomotive
A compound type locomotive
where the low and high pressure cylinders drove the same axles requiring the
valve gear to be adjusted to ensure that the same level of work was done in both
cylinders at the same time.
Warrant: Railway Technical Web Pages, Piers
Connor, 2000
Plural form: von Borries compounds
CL Vehicles and vehicle components
BT compound locomotive
voters ticket
A ticket issued for travel
to a polling station.
Literary warrant required.
Plural form: voters
tickets
CL Commercial records and equipment
BT <travel tickets by type or age of traveller>
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]
| © Collections Trust 2002. You may freely download this page for non-profit use, but must acknowledge Collections Trust (formerly MDA) & the Railway Terminology Working Group in any output in which it is used. |
