Transportation

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

compounding

Transportation; Railway

The use of steam twice, once in a high-pressure cylinder and then in a low-pressure cylinder. See Compound Engine.

coned boiler

Transportation; Railway

See Tapered Boiler.

conjugated valve gear

Transportation; Railway

The system for operating the valves of a third cylinder by means of levers driven by the motion of the valve gear of the other two cylinders. Its most famous version in the UK was ...

connecting rod

Transportation; Railway

The steel arm which connects the piston rod with the crank on the driving wheel or driving axle. It is used to convert the forward and aft motion of the piston into the rotating ...

clack valve

Transportation; Railway

A non-return valve provided to allow water to be fed into the boiler against the pressure of the water inside. Sometimes the valve is mounted with the injector (q.v.), sometimes ...