. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . 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 short teeth are for the purpose of in-suring that the two cams rotate exactly together. The long teeth are in effect ab
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . 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 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 ENGINES, FIRE, STEAM. the steam, forming as they do steam-tight joints with the walls of the case in which theyrotate, and wilh the deep spaces in which they engage. The steam, entering at the bottom of
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering
