Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 354
which,by a blow upon itsback, is made to slidebetween two blocks,B and B; one of … 350 N A i U R A L P IIIL O S O P H Y. these blocks restsdescription, against a fixed sup-port K, and theother against someyielding substanceK to be pressed.This machine is fre-quently employedto pack goods —wool, cotton, skins,uses, &c.; and the like ; and, to express the vege-table oils and…
Mechanics · Acoustics · Optics
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