Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 174
§ 153.—Any mechanical device that receives theaction of a force or power at one point, and transmits a machine;it to another, is called a machine. Conceive a machine, composed of wheels whose axesare sustained by supports, and which communicate motionto each other, either byteeth, chains, or… … composed ofwheels; 170 NATURAL PHILOSOTIIY 99 bywhich the actiono! a moter is transmitted; points of supportreplaced byactive forces; Fiff. 94.
Mechanics · Acoustics · Optics
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