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 746
ter runs loose. F terminates at one end in a friction-clutch fitting into a recess in the leg ofthe machine, while at its other end it is provided with a leather disk forming, when brought againstF, a sufficiently strong friction connection between the two pinions. FF are held together by thespiral… … the weight and permits the spring /to operate and F to drive F; this it continues to do until theprojections E and E strike, when the two sleeves continue to rotate in the bearing B with thevelocity of 31, the more slowly moving of the two wheels, while the friction between F&wl F tends tokeep…
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