A hand book of general instruction for mechanics, containing useful rules and memoranda for practical men (1907)
Smith, Franklin Elijah, 1872- · New York, D. Van Nostrand company · leaf 301
Fig. 99 inclined planes joined together back to -back along thedotted line A, B. There is, however, another form of wedge used calledthe single wedge, represented in Fig. 100, which may belikened to the inclined plane. Wedges are used where it is … Fig. 100 required to exert a great force in a small space. Noaccurate estimate can be made of the work done bywedges as they are ordinarily used, but calculations workedout according to the following rules will give an approx-imate idea of the amount of work which may be performedby them. THE…
Mechanics · Arithmetic · Measurement
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