The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose; (1902)
Barber, Thomas Walter. [from old catalog] · New York, Spon & Chamberlain · leaf 81
ixed, thespeed being equal to the difference in number of teeth of the loosewheel and pinion at each revolution of the eccentric shaft. 651. Westons differential pulley block, consisting of a two-groovedpitched chain-sheave having different numbers of teeth, in com-bination with a return block and… … 76 THE ENGINEERS SKETCH-BOOK. 653. Two-speed gear, operated by a double clutch, which throws either pair into gear as required. 654. Stewarts differential gear. Two cranks, one fixed to a sleeve and the other to a centre shaft, are driven round at varyingvelocities by a slotted crosshead revolving…
Mechanical movements
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