Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 49
or spindleand the upper and lower ones fast. Whenthe governor is running at the proper speedthe belt is on the loose pulley, as shown ; butwhen the speed increases the belt is thrownon the lower pulley, and thereby caused toact upon suitable gearing for raising the gateor shuttle and decreasing the… … ^^^^^^^^^
Mechanical movements
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