Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 427
hrough one foot ofvertical height. § 239.—Let us now suppose the circumferences of thewheels to be furnished with teeth, which interlock witheach other, so thata force being im-pressed upon onewheel, it cannotmove without com-municating motionto the other. The teeth areusually curved, andso shaped… … MECHANICS OF SOLIDS. 423 ?.< A V..* conditions ofpreserving aconstant normalat the point ofcontact; C4:- #> J) **>C. ■& yet the place of Fig. 263. this normal doesnot change, but re-mains stationary,and the point of :contact is always \on it. We will notstop to explain theconstructions…
Mechanics · Acoustics · Optics
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