A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 82
ecause he has no room to throw the mid-dle of his body far enough back to keep the fine of direction within the base. Fig. 72. Fig. 71. Nature teach-es a man when de-scending a heightto lean backward,and when ascend-ing to lean for-ward, as shown inFig. 71. In likemanner, whencarrying a weighton…
Physics
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