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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 
link valve gear
Transportation; Railway
A form of valve motion designed by one William Howe at the Stephenson locomotive works in 1842 and thereafter fitted to all their locomotives and many others. The design removed ...
live steam
Transportation; Railway
Steam supplied directly from the locomotive boiler and used for various devices such as the blower, ejectors, injectors, whistle, electric generators (where fitted), steam brakes ...
poppet valves
Transportation; Railway
Steam chest valves opened and closed by cam action, in the same manner as in a road vehicle engine. Better timing was possible with such systems but it was difficult to get the ...
prairie type locomotive
Transportation; Railway
A locomotive with a 2-6-2 wheel arrangement first introduced in 1885 and popular in the US mid-west.
pressure, working
Transportation; Railway
The pressure of steam permitted in a steam locomotive boiler above which the safety valves will blow off the excess. A good crew will attempt to work the locomotive without ...
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- Air freight (149)
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- Navigation (24)
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- Railway (8121)
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