Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 260
992a. LINK CHAIN HOIST.—A novel formof light weight hoists over lathes and planers.A screw gear working in a tooth chain. … 992&. BICYCLE SIGNALBELL.—A gear sector lever oper-ates a pallet vibrator, which is heldin a central position by a spring.The sector is also held ready for asignal stroke by a spring. 992c. MULTIPLE SPEED GEAR, or paradox box.—Thebevel gears A, A, A, are fixed to box and studs 5 and 6. C, C are…
Mechanical movements
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