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 185
tive motion toboth valves. 1459. Tappet gear, sometimes used for water-pressure engines, &o. Section 80.—SPRINGS. 1460. Open spiral spring for tension. 1461. Close spiral spring. 1462. Open spiral spring for compression. 1463. Open spiral spring (square thread) for compression. 1464. Double… … 4-58
Mechanical movements
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