A Dictionary of science, literature, and art [electronic resource]: comprising the history, description, and scientific principles of every branch of human knowledge; with the derivation and definition of all the terms in general use (1844)
Brande, William Thomas, 1788-1866, Cauvin, Joseph · New York : Harper & brothers · leaf 672
in the same straight line, or are bent,rnr?u?e P°.Her and ,he weiSht »re ™* *> each other recip-driwn f?nJ .L^T °f the ,ever- but as ,h« straight linesreX, r„hW.hU.K™m PPendicular to the respective di-rections in which the power and the weight take effect, … LEVIATHAN. Examples of the application of the lever are of constant/occurrence in the mechanical arts. The crowbar, the hand-spike, the poker, scissors, nippers, pincers, &c, are levers^ ofthe first kind; the toothed hammer is only a bent lever ofthis kind. The second kind includes the chipping…
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