A fulcrum-like apparatus that transferred the up-and-down movement of the piston stroke to the circular motion of the paddlewheel shaft. Also known as a working beam, it was seen only on the earliest river steamboats.
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A fulcrum-like apparatus that transferred the up-and-down movement of the piston stroke to the circular motion of the paddlewheel shaft. Also known as a working beam, it was seen only on the earliest river steamboats.