Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 273
the minutehand to XII. A latch, L, pivoted to the clock frame, is provided with apin, I, arranged to drop under the hook, H, carried by the lever, G, so as toprevent any action of the synchronizing levers except at the hour. Apin in a disk mounted on the cannon socket unlocks the latch, L,… … SECTION XVII. MINING DEVICES ANDAPPLIANCES. 271 Section XVII. MINING DEVICES AND APPLIANCES.
Mechanical movements
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