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#gab_valve_gear

Gab valve gear

Gab valve gear was an early form of valve gear used on steam engines. Its simplest form allowed an engine to be stopped and started. A double form, mostly used on steam locomotives, allowed easy reversing.

Tue 25th

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Gab valve gear Valve gear Stephenson valve gear Expansion valve (steam engine) Safety valve Calvert's Engine Thomas Newcomen Stationary steam engine William Murdoch Steam motor
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