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Transportation

Any mode or method of locomotion that serves to move people, goods or services from one location to another.

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Transportation > Railway

level crossing signals

Transportation; Railway

White board with a black St George's cross - warns the driver that he is approaching a locally-monitored crossing. He must reduce the train's speed in line with the indicated ...

lifting point

Transportation; Railway

Points marked on the track where jacks or lifting equipment can be safely used.

snifting valve

Transportation; Railway

The common name for an anti-vacuum valve.

spectacle plate

Transportation; Railway

The transverse member mounted between the locomotive frames to the rear of the cylinders on which parts of the valve gear are hung. Sometimes wrongly used to describe the weather ...

stays

Transportation; Railway

The bolts which secure the inner firebox to the outer firebox. See firebox.

steam

Transportation; Railway

Steam is the gas which is given off as a result of boiling water. The normal boiling point of water is 100?C. Unconfined steam will expand to about 1325 times the size of the ...

tapered boiler

Transportation; Railway

A boiler design where the diameter at the smokebox end is smaller than at the firebox end. This was done so that the maximum area possible was available for heating around the ...