Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 92
Fio. 102.—Diagram of multiplying levers in a scalefor weighing hay, coal and other heavy loads.In the figure is shown one half of the system oflevers, as seen from one end. The platform Prests on knife-edges Z), D-, the former of whichis on a long lever, the latter on a short one. Theknife-edges F,… … Fig. 103.—Train of wheels usedin a standard clock. One endof the weight-cord is fastenedto the frame of the clock andthe other is wound on thebarrel B; this drives thetrreat wheel O, which has144 teeth; this turns thepinion c, which drives thecentre wheel C, having 96teeth ; this turns the piniont…
Physics
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