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 268
rack to fall. The wheel-work is therefore arrested as soon as thesecond wheel has made one revolution.Thus by an electric push-button or a compressed-air piston a clock maybe made to ring the nearest hour or half-hour at any time at night. 696. ESCAPEMENT WITH ELECTRICPENDULUM. M, M, permanent…
Mechanical movements
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