. 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. ^fe. 697. ELECTRIC RATCHET. The electro-magnets M, M, operated by current from a cen-tral clock, vibrate the lever L, in unison andmove the escapement wheel by the pawl D, D. A very simple device for operating the es-capement of a secondary clock from a centralstation
. 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. ^fe. 697. ELECTRIC RATCHET. The electro-magnets M, M, operated by current from a cen-tral clock, vibrate the lever L, in unison andmove the escapement wheel by the pawl D, D. A very simple device for operating the es-capement of a secondary clock from a centralstation. 266 HOROLOGICAL, TIME DEVICES, ETC.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
