ClipArt ETC
An outline of the Marshall gear from a steam engine. The piston rotates the crank shaft at point H around axis S. The rod F is connected to the bottom rod E. Rod F rotates at axis P to rotate the engine backwards and forward.

Outline of a Steam Engine Marshall Gear Reducing Friction and Wear

An outline of the Marshall gear from a steam engine. The piston rotates the crank shaft at point H around…