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 170
wheel retracted by a coiled spring inside the latter ; and from asmall wheel on the side of the larger one a string is led to the indicator. Kings of different sizesare sometimes provided to vary the size of the small wheel, to adapt the instrument to engineshaving different lengths of stroke. To… … shown in Fig. 2415. A link connection may be used instead of a slot and pin. The whole apparatuscan be satisfactorily constructed with soft-wood boards and blocks and large wood-screws. Thebroad surface of the board at the top steadies the lever, and the smooth shank of the screw makes agood…
Mechanical engineering -- Dictionaries
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