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 286
l.^> Fig. 13. Figs. 11-13.—Ahrens fire-engine—sectional details. The engine contains two rotating pistons or cams, both alike, and each 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…
Mechanical engineering
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