Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 273
702. ELECTRICAL CORRECTION OF CLOCKS. For a clock that gains some second or two per hour.Fifteen 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… … HOROLOGICAL, TIME DEVICES, ETC. 269
Mechanical movements
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