Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 539
PADDLE-WHEELS. 517 Their ends fall into the forks of the upright forked levers C, Figs. 3343 and 3346, the effect of allwhich is to give a direct motion to the forked levers with their connections that open the mutes A,while at the same time each mute is left free to be operated separately or in…
Mechanical engineering -- Dictionaries
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