. 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. 702. ELECTRICAL CORRECTION OF CLOCKS. For a clock that gains some second or two per seconds before each hour the lever,D B, is attracted by the electro-magnet. A,and a pin in the arm, D, would thereuponenter and catch a tooth of the escape wheel,did the d

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. 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. 702. ELECTRICAL CORRECTION OF CLOCKS. For a clock that gains some second or two per seconds before each hour the lever,D B, is attracted by the electro-magnet. A,and a pin in the arm, D, would thereuponenter and catch a tooth of the escape wheel,did the disk, M, allow the other arm of thelever, E, to move. When the hand reachesthe hour, E falls, then D catches S andholds it till the cessation of the current atthe sixtieth second of the governing HOROLOGICAL, TIME DEVICES, ETC. 269

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