Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 287
h of which is ineffect a gear-wheel having eight short teeth arranged in pairs, with one long tooth and onedeep space between each two>airs of short teeth. The short teeth are for the purpose of in-suring that the two cams rotate exactly together. The long teeth are in effect abutments for 266… … yilsby steam fire-engine. the case, tends to press the abutments apart, and thus cause rotation of the j)istons in oppo-site directions. The construction of the pump is upon the same general principle as that of the engme,only there are three long teeth to each cam, and fewer short or guide-teeth.…
Mechanical engineering
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