mda Railway Object Name Thesaurus
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]

earthworks
Alterations to the land form to provide a near level track bed.
Warrant: Encyclopedia of Railways, O S Nock, 1977
Plural form: earthworks

CL Built works and components
BT <route structures>
NT culvert
NT cutting
NT embankment
NT run
NT tunnel


eccentric
A component of locomotive valve gear offset to driving axle to impart a fore and aft movement to eccentric rods and valve gear.
Warrant: Developments in Locomotive Practice, Bowen Cooke, 1910
Plural form: eccentrics

CL Vehicles and vehicle components
BT valve gear component


eccentric rod
A rod attached to the eccentric sheaf driving the valve rod of a locomotive.
Warrant: Developments in Locomotive Practice, Bowen Cooke, 1910
Plural form: eccentric rods

CL Vehicles and vehicle components
BT valve gear component


eccentric strap
A metal strap that is fitted to the eccentric and drives the eccentric rod.
Warrant: Developments in Locomotive Practice, Bowen Cooke, 1910
Plural form: eccentric straps

CL Vehicles and vehicle components
BT valve gear component


edge plate hybrid rail
A type of plate rail which can also be run on as an edge rail, occurred mainly in South Wales. This enables both flanged and flangeless wheels.
Warrant: Jim Rees, Beamish North of England Open Air Museum
Plural form: edge plate hybrid rails

CL Track and track components
BT plate rail


edge rail
Any rail where the wheel runs on the top 'edge' and is guided by a flange on the wheel itself, as distinct from plateway rail where an unflanged wheel runs on a flat 'rail' with an upturned flange on the rail acting as a guide.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology, Alan A Jackson
Plural form: edge rails

CL Track and track components
BT <rails by form>
NT ledge rail


Edmondson ticket
A standardised, rectangular, pre-printed cardboard ticket, originally invented by Thomas Edmondson together with his patent ticket-printing, and ticket-dating presses in about 1848.
Warrant: Railway Tickets, Timetables & Handbills, M I Bray, Moorland Publishing Company Ltd, 1986
Plural form: Edmondson tickets

CL Commercial records and equipment
BT <tickets by form>


egg van
A railway vehicle dedicated to the carriage of eggs.
Literary warrant required.
Plural form: egg vans

CL Vehicles and vehicle components
BT <meat and poultry product carrying vehicles>


eight coupled locomotive
A locomotive with eight driving wheels, coupled together.
Warrant: Gibbon, Richard H. BSc, FIMechE, CIEng, Head of Engineering Collections, National Railway Museum, York
Plural form: eight coupled locomotives

CL Vehicles and vehicle components
BT <locomotives by wheel arrangement>
NT consolidation locomotive
NT mikado locomotive
NT mountain locomotive (wheel arrangement)


eight wheel bogie carriage
Scope note required.
Literary warrant required.
Plural form: eight wheel bogie carriages

CL Vehicles and vehicle components
BT bogie carriage


eight wheel bogie vehicle
A railway vehicle carried on two four wheel bogies.
Literary warrant required.
Plural form: eight wheel bogie vehicles

CL Vehicles and vehicle components
BT bogie vehicle


eight wheel carriage (non bogie)
Scope note required.
Literary warrant required.
Plural form: eight wheel carriages (non bogie)

CL Vehicles and vehicle components
BT <passenger carriages by wheel arrangement>


eight wheel vehicle (non bogie)
An eight wheeled railway vehicle carried on four independent axles rather than two bogies.
Literary warrant required.
Plural form: eight wheel vehicles (non bogie)

CL Vehicles and vehicle components
BT rigid wheelbase vehicle


ejector
Part of a steam locomotive which, by means of a continuous jet of steam, creates the vacuum for keeping the brakes released.
Warrant: The Railway Dictionary, An A-Z of Railway Terminology, Alan A Jackson, Alan Sutton Publishing, 1996
Plural form: ejectors

CL Vehicles and vehicle components
BT <brake pumps, etc.>
NT combination ejector for vacuum brake
NT Gresham Dreadnought ejector


ejector release valve
A manually operated valve to release the vacuum from the reservoir, thereby releasing the brakes.
Warrant: Handbook for Railway Steam Locomotive Enginemen, British Transport Commission, 1957
Plural form: ejector release valves

CL Vehicles and vehicle components
BT <brake controls>


electric adhesion locomotive
Scope note required.
Literary warrant required.
Plural form: electric adhesion locomotives

CL Vehicles and vehicle components
BT electric locomotive


<electric ignition engined locomotives>
Scope note required. Warrant: Modern Railway Traction, Railway Manufacturers Association, undated
Plural form: <electric ignition engined locomotives>

CL Vehicles and vehicle components
BT internal combustion locomotive
NT paraffin engined locomotive
NT petrol locomotive


electric interlocking
Electric powered equipment for controlling the setting and releasing of signals and points.
Warrant: Lexique General de Termes Ferroviares, Union Internationale des Chemins de Fer, 1975
Plural form: electric interlocking

CL Control and communications
BT <electrical interlocking equipment>


electric locomotive
A locomotive which is powered by electricity from external or internal source.
Warrant: Electric Trains in Britain, B K Cooper, Ian Allan Ltd, 1979
Plural form: electric locomotives

CL Vehicles and vehicle components
BT <locomotives by power source>
NT electric adhesion locomotive
NT electro-diesel locomotive
NT <electric locomotives by current collection>
NT <electric locomotives by voltage>


electric locomotive control key
Scope note required.
Literary warrant required.
Plural form: electric locomotive control keys

CL Vehicles and vehicle components
BT <master controls>


<electric locomotives by current collection>
Scope note required.
Plural form: <electric locomotives by current collection>

CL Vehicles and vehicle components
BT electric locomotive
NT battery locomotive
NT conduit collection locomotive
NT multiple collection locomotive
NT overhead wire collection locomotive
NT third and fourth rail collection locomotive
NT third rail collection locomotive


<electric locomotives by voltage>
Scope note required.
Plural form: <electric locomotives by voltage>

CL Vehicles and vehicle components
BT electric locomotive
NT 1,500V DC locomotive
NT 25kV AC locomotive
NT 630V DC locomotive
NT 660V DC locomotive
NT dual voltage locomotive


electric motor
An electric motor used within a vehicle for some function other than motive power. Use 'traction motor' for an electric motor used to drive the wheels.
Warrant: Electric Locomotives and Railways, H Greenly, no date p261
Plural form: electric motors

CL Vehicles and vehicle components
BT <ancillary electrical equipment>
RT traction motor


<electric motor components>
Components of electric motors, their mountings, etc. For components feeding traction current to the motor, see '<traction current transmission components>'. For components transmitting motion to the wheels, see other appropriate terms within the '<power transmission components>' heading.
Plural form: <electric motor components>

CL Vehicles and vehicle components
BT <traction components>
NT armature
NT brush gear
NT cannon box
NT commutator (locomotive component)
NT motor nose
NT motor nose linkage
NT suspension tube
NT traction motor blower


electric multiple unit
An electrically powered set of passenger (or parcels) vehicles formed as a train unit.
Warrant: Electric Trains in Britain, B K Cooper, Ian Allan Ltd, 1979
Plural form: electric multiple units

UF EMU
CL Vehicles and vehicle components
BT <complete units>


electric occupation key
The key that operates the means of protection of permanent way and signalling staff on single line routes.
Warrant: Ray Towell, Curator of Operations, National Railway Museum
Plural form: electric occupation keys

CL Control and communications
BT <occupation protection equipment>


electric railway
A railway whose energy source is electricity rather than steam or internal combustion.
Warrant: Electric Trains in Britain, B K Cooper, Ian Allan Ltd, 1979
Plural form: electric railways

CL Railway types
BT <self-propelled using externally supplied power>
NT fourth rail electric railway
NT overhead line electric railway
NT third rail electric railway


electric semaphore repeater
A means of indication of the position of a signal arm, contained in the signalbox and powered by electricity.
Warrant: Ray Towell, Curator of Operations, National Railway Museum
Plural form: electric semaphore repeaters

CL Control and communications
BT signal repeater


<electric token block equipment>
Scope note required.
Plural form: <electric token block equipment>

CL Control and communications
BT <single line block instruments>
NT block token
NT electric token instrument
NT tablet catcher
NT tablet instrument
NT tablet machine


electric token instrument
The equipment in a signal box for the operation of electric token block signalling.
Warrant: The History & Development of Railway Signalling in the British Isles, Friends of the National Railway Museum
Plural form: electric token instruments

CL Control and communications
BT <electric token block equipment>
NT intermediate siding tablet instrument


electric tow tractor
An electrically powered vehicle for towing platform trolleys on the railway station.
Literary warrant required.
Plural form: electric tow tractors

CL Vehicles and vehicle components
BT <mechanical off-track motive power>


<electrical interlocking equipment>
Equipment that interlocks points and signals by electrical or electronic means. Unlike mechanical interlocking, which is normally an integral part of the lever frame, electrical interlocking equipment can be housed away from the control panel in a separate relay room, etc. Consequently it is treated differently from mechanical interlocking equipment which will be found with lever frame components.
Plural form: <electrical transmission>

CL Control and communications
BT <control transmission>
NT comprehensive approach locking
NT electric interlocking
RT <mechanical interlocking equipment>


electrical power control gear
Scope note required.
Warrant: Electric Locomotives and Railways, H Greenly, no date
Plural form: electrical power control gear

CL Vehicles and vehicle components
BT <traction current transmission components>


electrical transmission locomotive
A locomotive where the coupling to the wheels is achieved through electrical machines.
Warrant: Modern Railway Traction, Railway Manufacturers Association, undated
Plural form: electrical transmission locomotives

CL Vehicles and vehicle components
BT <locomotives by transmission>
RT diesel electric locomotive
RT steam electric locomotive


<electrical transmission>
Equipment that transmits control from the control point to the equipment to be actuated via electrical circuitry. Includes equipment such as electrical cables and control relays, etc.
Plural form: <electrical transmission>

CL Control and communications
BT <control transmission>
NT cable bracket (control cables)
NT lever operated contact box
NT point motor
NT relay
NT signal motor


<electricity generation components>
Vehicle components concerned with the on-board generation of electricity to power the traction motors.
Plural form: <electricity generation components>

CL Vehicles and vehicle components
BT <traction components>


electricity sub-station
An electricity sub-station supplying power for rail traction.
Warrant: Electric Trains, Their Equipment and Operation, W A Agnew, Virtue & Company 1937
Plural form: electricity sub-stations

CL Built works and components
BT <electricity supply complexes>
NT feeder station


<electricity supply complexes>
Scope note required.
Plural form: <electricity supply complexes>

CL Built works and components
BT <power supply complexes>
NT electricity sub-station
NT power station


<electricity supply components>
Scope note required.
Plural form: <electricity supply components>

CL Built works and components
BT <built work components>
NT cable tie
NT charging outlet
NT jumper
NT jumper head
NT section isolator
NT shedplug
NT trolley jumper


<electricity supply structures>
Buildings and other structures connected with the generation and supply of electricity for traction and other purposes.
Plural form: <electricity supply structures>

CL Built works and components
BT <power supply structures>
NT cable bracket (traction supply)
NT cable post
NT power supply building
NT shore supply


electrification equipment vehicle
A railway vehicle dedicated to the carriage of materials and equipment required for the installation and maintenance of overhead line equipment.
Literary warrant required.
Plural form: electrification equipment vehicles

CL Vehicles and vehicle components
BT <overhead structure maintenance vehicles>


electronic door control module
A solid state logic control module used to carry out all door control functions on a per vehicle or per side basis.
Warrant: LUL Jargon Buster
Plural form: electronic door control modules

CL Vehicles and vehicle components
BT <door controls>


electronic speed sensing unit
Scope note required.
Literary warrant required.
Plural form: electronic speed sensing units

CL Vehicles and vehicle components
BT <speed regulation components>


electro-diesel locomotive
A locomotive that can operate with either electric or diesel power.
Warrant: Railway Technical Web Pages, Piers Connor, 2000
Plural form: electro-diesel locomotives

CL Vehicles and vehicle components
BT electric locomotive


electro-mechanical ground signal
A mechanical ground signal actuated by an electrical solenoid.
Warrant: Ray Towell, Curator of Operations, National Railway Museum
Plural form: electro-mechanical ground signals

CL Control and communications
BT electro-mechanical signal
RT ground signal


electro-mechanical signal
A signal actuated by an electric solenoid or motor.
Literary warrant required.
Plural form: electro-mechanical signals

CL Control and communications
BT <signals by actuation method>
NT electro-mechanical ground signal


electro-pneumatic brake
An air brake with electrical controls.
Literary warrant required.
Plural form: electro-pneumatic brakes

UF EP brake
CL Vehicles and vehicle components
BT continuous brake


electro-pneumatic brake isolating cock
Scope note required.
Literary warrant required.
Plural form: electro-pneumatic brake isolating cocks

UF EP brake isolating cock
CL Vehicles and vehicle components
BT <brake pipes, reservoirs, etc.>


elevated railway
A railway predominantly carried above urban streets and buildings on girder or similar supports.
Literary warrant required.
Plural form: elevated railways

USE overhead railway
CL Railway types
BT <railways by location>


embankment
An artificial bank of earth or rock to raise the natural ground level to provide a gently graded route for the railway.
Warrant: Encyclopedia of Railways, O S Nock, 1977
Plural form: embankments

CL Built works and components
BT earthworks
NT causeway


emergency brake
Scope note required.
Warrant: Encyclopedia of Railways, O S Nock, 1977
Plural form: emergency brakes

CL Vehicles and vehicle components
BT braking system


emergency brake test control
Scope note required.
Literary warrant required.
Plural form: emergency brake test controls

CL Vehicles and vehicle components
BT <brake controls>


emergency coupler
A spare coupling carried in the guard's compartment on passenger stock.
Warrant: John Robinson, The Transport Trust
Plural form: emergency couplers

CL Vehicles and vehicle components
BT coupling


<emergency detection equipment>
Systems that detect problems with passing trains such as hot axleboxes, derailed vehicles, etc.
Plural form: <emergency detection equipment>

CL Control and communications
BT <train protection equipment>
NT dragging detector
NT hot axlebox detector


emergency release
A device usually sealed to permit the operation of a signalling function in case of emergency or failure.
Warrant: Lexique General de Termes Ferroviares, Union Internationale des Chemins de Fer, 1975
Plural form: emergency releases

CL Control and communications
BT <central control>
RT Welwyn control


emergency speed restriction board
The warning sign indicating a reduction in speed not indicated in the weekly working notices.
Warrant: Ray Towell, Curator of Operations, National Railway Museum
Plural form: emergency speed restriction boards

USE emergency speed restriction indicator
CL Control and communications
BT temporary speed restriction sign


emergency speed restriction indicator
The warning sign indicating a reduction in speed not indicated in the weekly working notices.
Literary warrant required.
Plural form: emergency speed restriction indicators

UF emergency speed restriction board
CL Control and communications
BT temporary speed restriction sign


<emergency working forms and equipment>
Block working equipment, forms, etc. used in the event of equipment failure and other emergencies, temorary wrong line working, etc.
Plural form: <emergency working forms and equipment>

CL Control and communications
BT <block system working>
NT wrong line order form


<employee timekeeping hardware>
Scope note required.
Plural form: <employee timekeeping hardware>

CL Commercial records and equipment
BT <payroll hardware>
NT time card rack
NT time clock


empty coaching stock train
A train conveying empty carriages.
Literary warrant required.
Plural form: empty coaching stock trains

CL Vehicles and vehicle components
BT <trains by loading>


empty wagon train
A train consisting of empty freight vehicles.
Warrant: John Robinson, The Transport Trust
Plural form: empty wagon trains

CL Vehicles and vehicle components
BT <trains by loading>
NT mineral empties train


EMU
Abbreviation for 'electric multiple unit'.
Warrant: Railtrack Jargon Buster, 1999
Plural form: EMUs

USE electric multiple unit
CL Vehicles and vehicle components
BT <complete units>


EMU barrier coach
A vehicle coupled to an electric multiple unit to enable it to be hauled by a locomotive.
Warrant: Departmental Coaching Stock, Roger Butcher & Peter Fox, Platform 5 Publishing Ltd, 3rd edition, 1987
Plural form: EMU barrier coaches

CL Vehicles and vehicle components
BT barrier coach


enamel advertisement
A display advertisement in the form of a thin metal sheet with the artwork applied by the process of enamelling. This resulted in a very rugged and durable medium suitable for alfresco display.
Warrant: Street Jewellery, C Baglee & A H Morley, New Cavendish Books, 2nd Edn, 1988
Plural form: enamel advertisements

USE enamel advertising sign
CL Commercial records and equipment
BT advertisement


enamel advertising sign
An advertising sign in the form of a thin metal sheet with the artwork applied by the process of enamelling. This resulted in a very rugged and durable medium suitable for alfresco display.
Warrant: Street Jewellery, C Baglee & A H Morley, New Cavendish Books, 2nd Edn, 1988
Plural form: enamel advertising signs

UF enamel advertisement
CL Commercial records and equipment
BT advertisement


end bar
A transverse member forming the end of a vehicle floor.
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.
Plural form: end bars

CL Vehicles and vehicle components
BT bottom framing


end cross rail
A horizontal rail forming part of the framing of a vehicle body end.
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.
Plural form: end cross rails

CL Vehicles and vehicle components
BT end framing


end door vehicle
A vehicle fitted with end door discharge.
Warrant: John Robinson, The Transport Trust
Plural form: end door vehicles

CL Vehicles and vehicle components
BT <rolling stock by access/discharge arrangements>
NT pitch wagon


end framing
A pillar or rail forming a basic structural member of vehicle body ends.
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.
Plural form: end framing

CL Vehicles and vehicle components
BT body framing
NT arch rail
NT end cross rail
NT end pillar


end loading dock
A platform provided at the end of a siding to facilitate the loading of road vehicles, etc. via the end of a railway vehicle.
Literary warrant required.
Plural form: end loading docks

CL Built works and components
BT platform


end loading ramp
A fixed ramp provided at the end of a siding to facilitate the loading of road vehicles, etc. via the end of a railway vehicle.
Literary warrant required.
Plural form: end loading ramps

CL Built works and components
BT platform


end pillar
An upright pillar forming part of the framing of a vehicle body end.
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.
Plural form: end pillars

CL Vehicles and vehicle components
BT end framing
NT deck roof end pillar
RT corner pillar


end post
Material used to insulate rail ends from each other.
Warrant: Railtrack Jargon Buster, 1999
Plural form: end posts

CL Track and track components
BT third rail electric railway equipment


engine
An (inaccurate) colloquialism for locomotive OR the power unit of a diesel locomotive.
Warrant: Phil Atkins, National Railway Museum
Plural form: engines

USE locomotive
CL Vehicles and vehicle components
BT <traction components>
NT diesel engine
NT diesel-electric power unit
NT gas turbine engine
NT internal combustion engine


<engine components>
Scope note required.
Plural form: <engine components>

CL Vehicles and vehicle components
BT <traction components>
NT booster
NT governor
NT valve gear
NT valve gear component
NT <cylinders and associated components>


engine house (atmospheric haulage)
Scope note required.
Plural form: engine houses (atmospheric haulage)

USE atmospheric engine house
CL Built works and components
BT <atmospheric propulsion structures and equipment>


engine house (loco shed)
A depot for stabling, servicing and maintaining locomotives.
Warrant: LMS Engine Sheds, Vol 1 The L&NWR, C Hawkins & G Reeve, Wild Swan Publications Ltd, 1981
Plural form: engine houses (loco shed)

CL Built works and components
BT <motive power stabling and servicing structures>


engine house (pumping)
Scope note required.
Literary warrant required.
Plural form: engine houses (pumping)

USE pumping engine house
CL Built works and components
BT <drainage structures>


engine house (stationary haulage)
A building housing the stationary engine providing motive power on a cable hauled railway system.
Warrant: Railway Terminology Working Group
Plural form: engine houses (stationary haulage)

USE cable haulage engine house
CL Built works and components
BT <cable haulage structures and equipment>


engine plate
Scope note required.
Literary warrant required.
Plural form: engine plates

CL Vehicles and vehicle components
BT <unattributed vehicle components>


engine shed
A depot for stabling, servicing and maintaining locomotives.
Warrant: Memories Around Steam Sheds, R Keeley, Ian Allan Ltd, 1985
Plural form: engine sheds

UF loco shed
CL Built works and components
BT <motive power stabling and servicing structures>
NT longhouse
NT roundhouse


engine shunting voucher
Scope note required.
Literary warrant required.
Plural form: engine shunting vouchers

CL Control and communications
BT <occupation protection equipment>


engineering token
A type of electronic token that gives engineering staff possession of the line.
Warrant: The History & Development of Railway Signalling in the British Isles, Friends of the National Railway Museum
Plural form: engineering tokens

CL Control and communications
BT <occupation protection equipment>


engineering workshop tools and equipment
All the hand and machine tools used in railway workshops.
Literary warrant required.
Plural form: engineering workshop tools and equipment

CL Tools and equipment
BT workshop equipment
NT boiler stay gauge
NT hand tool
NT lifting equipment
NT locomotive cylinder and hornblock optical aligning equipment
NT lubrication equipment
NT machine tool
NT weighing equipment


engineers saloon
A railway carriage used for inspection of the railway by senior officers of various railway departments.
Warrant: An Illustrated History of LMS Coaches 1923-1957, D Jenkinson & R J Essery, Oxford Publishing Company, 1977
Plural form: engineers saloons

CL Vehicles and vehicle components
BT <personnel transport and accommodation>


engineers siding
A siding used by the engineer's department.
Warrant: Railway Track Diagrams - Great Western, Quail Map Company, Third Edition, 2000.
Plural form: engineers sidings

CL Track and track components
BT siding
NT tamper siding


engineers trailer
A light unpowered railway vehicle designed to be hauled by an engineers trolley or similar vehicle.
Literary warrant required.
Plural form: engineers trailers

CL Vehicles and vehicle components
BT platelayers trolley


engineers train
A departmental or contractor's train engaged on railway construction, testing or maintenance work or conveying materials for such work on a non-revenue earning basis. Whilst not exactly synonymous with 'Service train' (which would also include trains operated by non-engineering departments), for the purposes of this thesaurus it is treated as a synonym.
Literary warrant required.
Plural form: engineers trains

USE service train
CL Vehicles and vehicle components
BT non-passenger train


engineers trolley
A hand-propelled flat trolley for permanent way staff to convey tools and material to the site of work.
Warrant: John Robinson, The Transport Trust
Plural form: engineers trolleys

CL Vehicles and vehicle components
BT <personnel transport>


entrance-exit panel
A desk or board which operates the entrance exit route setting system for controlling the signals and points.
Warrant: Lexique General de Termes Ferroviares, Union Internationale des Chemins de Fer, 1975
Plural form: entrance-exit panels

UF NX panel
CL Control and communications
BT control panel


<environmental control components>
Scope note required.
Plural form: <environmental control components>

CL Vehicles and vehicle components
BT bodywork component
NT air conditioning
NT heating component
NT lighting component (vehicle)
NT refrigeration component
NT ventilation component


EP brake
An abbreviation for electro-pneumatic brake.
Plural form: EP brakes

USE electro-pneumatic brake
CL Vehicles and vehicle components
BT continuous brake


EP brake isolating cock
Scope note required.
Plural form: EP brake isolating cocks

USE electro-pneumatic brake isolating cock
CL Vehicles and vehicle components
BT <brake pipes, reservoirs, etc.>


equaliser bar
Scope note required.
Warrant: Great Western Railway Drawing Registers
Plural form: equaliser bars

CL Vehicles and vehicle components
BT <bogie and truck components>


equaliser bar bogie
A bogie where the primary suspension is arranged by attaching a longitudinal steel bar to each pair of axleboxes and depositing the bogie frame on to a pair of coil springs resting on the bar.
Warrant: Railway Technical Web Pages, Piers Connor, 2000
Plural form: equaliser bar bogies

CL Vehicles and vehicle components
BT bogie


equaliser gear
Scope note required.
Warrant: Great Western Railway Drawing Registers
Plural form: equaliser gear

CL Vehicles and vehicle components
BT suspension component
NT equalising beam


equalising beam
The linkage between the spring suspension of adjacent axles on a locomotive or vehicle.
Warrant: Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural form: equalising beams

CL Vehicles and vehicle components
BT equaliser gear


equalising reservoir
Air reservoir employed in air braking systems to provide the driver with brake control valve with a greater degree of flexibility and to create a cushion for brake pipe control between the drivers manually operated brake valve and the brake pipe.
Warrant: Lexique General de Termes Ferroviares, Union Internationale des Chemins de Fer, 1975
Plural form: equalising reservoirs

CL Vehicles and vehicle components
BT <brake pipes, reservoirs, etc.>


escort vehicle
A vehicle provided on trains conveying high value or other traffic requiring an escort, e.g. military, explosive, radio-active, prisoners, etc., in which the escort can travel.
Warrant: John Robinson, The Transport Trust
Plural form: escort vehicles

CL Vehicles and vehicle components
BT <non-revenue operating stock>
NT nuclear flask escort vehicle


estate railway
A private railway owned by and serving a large estate, typically carrying agricultural produce from farms on the estate to the nearest public railway.
Literary warrant required.
Plural form: estate railways

CL Railway types
BT private railway
RT agricultural railway


examiners hut
A lineside hut, usually situated in a yard or siding, for the use of a carriage or wagon examiner.
Warrant: Railway Terminology Working Group
Plural form: examiners huts

CL Built works and components
BT <vehicle stabling and servicing structures>


<examples of factored ticket types>
Scope note required.
Plural form: <examples of factored ticket types>

CL Commercial records and equipment
BT ticket
NT childs privilege return ticket
NT first class return ticket
NT ordinary return ticket
NT privilege return ticket


excess fare ticket
A paper ticket, usually made out by a ticket inspector or collector, issued in exchange for payment due where the journey undertaken was of greater value than the ticket originally held by the passenger.
Literary warrant required.
Plural form: excess fare tickets

UF excess ticket
CL Commercial records and equipment
BT travel ticket


excess ticket
A paper ticket, usually made out by a ticket inspector or collector, issued in exchange for payment due where the journey undertaken was of greater value than the ticket originally held by the passenger.
Literary warrant required.
Plural form: excess tickets

USE excess fare ticket
CL Commercial records and equipment
BT travel ticket


excursion ticket
A ticket valid for travel on a special excursion train, offered at a discounted price to the regular fare.
Literary warrant required.
Plural form: excursion tickets

CL Commercial records and equipment
BT <travel tickets by discount, etc.>


excursion train
A special train to provide an outing to a tourist attraction or special event. It may be arranged by the railway company or by a private party.
Warrant: John Robinson, The Transport Trust
Plural form: excursion trains

CL Vehicles and vehicle components
BT passenger train
RT chartered excursion train


exhaust branch pipe
The ducting which conveys exhaust steam from the cylinders of a steam locomotive which unite beneath the blast pipe.
Warrant: Great Western Railway Drawing Registers
Plural form: exhaust branch pipes

CL Vehicles and vehicle components
BT smokebox component


<exhaust components>
Vehicle components concerned with removal of exhaust.
Plural form: <exhaust components>

CL Vehicles and vehicle components
BT <traction components>
NT < internal combustion exhaust components>
NT <steam exhaust components>


exhaust injector cone
Scope note required.
Warrant: Locomotive Management, 10th edition, J T Hodgson & C S Lake, revised by W B Oaten, Tothill Press, 1954
Plural form: exhaust injector cones

CL Vehicles and vehicle components
BT injector component


exhaust steam
Steam emitted from the cylinder after completion of the working stroke.
Warrant: Encyclopedia of Railways, O S Nock, 1977
Plural form: exhaust steams

CL Vehicles and vehicle components
BT waste product


exhaust steam injector
An injector which is operated using steam exhausted from the cylinders.
Warrant: Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural form: exhaust steam injectors

CL Vehicles and vehicle components
BT injector


exhaust valve
Scope note required.
Literary warrant required.
Plural form: exhaust valves

CL Vehicles and vehicle components
BT <cylinders and associated components>


exhauster
A pump, usually electrically driven, which removes air from the brake pipe of a train equipped with the vacuum brake, equivalent to the compressor on an air brake system, performs the same function as the ejector on a steam locomotive.
Warrant: Locomotives and Their Working, C R H Simpson & F B Roberts, Virtue & Co Ltd, 1952
Plural form: exhausters

CL Vehicles and vehicle components
BT <brake pumps, etc.>


exhibition coach
A vehicle where internal arrangements have been modified to accommodate promotional displays.
Warrant: Departmental Coaching Stock, Roger Butcher & Peter Fox, Platform 5 Publishing Ltd, 3rd edition, 1987
Plural form: exhibition coaches

CL Vehicles and vehicle components
BT <exhibition vehicles, etc.>


exhibition train
A train of vehicles converted for a mobile exhibition.
Warrant: John Robinson, The Transport Trust
Plural form: exhibition trains

CL Vehicles and vehicle components
BT passenger rated traffic train


<exhibition vehicles, etc.>
Railway vehicles used to house mobile exhibitions, displays, etc.
Plural form: <exhibition vehicles, etc.>

CL Vehicles and vehicle components
BT <rolling stock by load or function>
NT cinema coach
NT exhibition coach


expansion gap
The space left between rail ends to allow for expansion.
Warrant: Encyclopedia of Railways, O S Nock, 1977
Plural form: expansion gaps

CL Track and track components
BT rail joint component


expansion link
The straight or curved slotted component of all radial valve gears in which the die block sits and which imparts motion via the die block to move the valve to admit steam into the cylinder and to move the locomotive.
Warrant: Great Western Railway Drawing Registers
Plural form: expansion links

CL Vehicles and vehicle components
BT valve gear component


experimental locomotive
A locomotive used as a test bed for experimental purposes.
Warrant: Prototype Locomotives, Robert Tufnell, David & Charles, 1985
Plural form: experimental locomotives

UF experimental steam locomotive
CL Vehicles and vehicle components
BT <locomotives by innovation>
NT experimental steam locomotive


experimental steam locomotive
Use for recording object name only. For indexing purposes factor into 'steam locomotive' and 'experimental locomotive'.
Warrant: High-Pressure Locomotives, H N Gresley,
Plural form: experimental steam locomotives

USE experimental locomotive
PLUS steam locomotive
CL Vehicles and vehicle components
BT experimental locomotive


express train
A fast (class A) train stopping only at principal stations en route.
Warrant: John Robinson, The Transport Trust
Plural form: express trains

CL Vehicles and vehicle components
BT <trains by speed>


extractive railway
A railway serving an extractive undertaking (quarry, etc.).
Literary warrant required.
Plural form: extractive railways

USE mineral railway
CL Railway types
BT freight railway


eyesight tester
Equipment used for testing the eyesight of locomotive drivers. Typically a wooden block painted white and marked with black dots.
Literary warrant required.
Plural form: eyesight testers

CL Tools and equipment
BT eyesight testing equipment


eyesight testing equipment
Medical equipment used on the railway. General equipment such as first aid boxes, stretchers, etc. that are not unique to railways may be included here but will not be listed as narrower terms in the thesaurus. Use a medical thesaurus for further guidance.
Literary warrant required.
Plural form: eyesight testing equipment

CL Tools and equipment
BT <railway medical equipment>
NT eyesight tester


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.
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