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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 
white feather
Transportation; Railway
Nickname for the steam seen escaping for the safety valves when there is full pressure in the boiler.
adhesive weight
Transportation; Railway
The adhesive weight is that part of the locomotive weight carried on the driving wheels which can therefore contribute towards adhesion. See also Adhesive Factor.
accomodation bridge
Transportation; Railway
A bridge that connects two separate parts of land which were under common ownership but separated when the railway was built
alinement (or alignment)
Transportation; Railway
The position of the track or rail in the horizontal plane expressed as tangent or curve.
waters of the U.S.
Transportation; Railway
Regulated by the U.S. Army Corps of Engineers and sometimes state and local authorities they include: (1) Waters used for interstate or foreign commerce, (2) all other waters ...
walschaerts valve gear
Transportation; Railway
A form of link motion valve gear first patented in 1844 by Egged Walschaerts, a Belgian engineer. It first appeared on a British railway in 1878 when an 0-4-4 tank locomotive ...
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