Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 728
tbetween the screens. Probably the best-known instrumentof this class is the one invented by Cap-tain Le Boulenge of the Belgian artil-lery, which was afterwards modified byCaptain Breger. Bouleng-e Chronograph. This instrument depends for its accu-racy upon the law of falling bodies or… … 716 CERTAIN USES OF ELECTRICITY IN U.S. ARMY. and supports an armature called the chronometer; the left-hand magnet,jB, is actuated by the current of the second frame, and supports an ai ma-ture, D, called the registrar. The chronometer, C, is a long, cylindrical brass tube terminating at itsupper…
Electrical engineering
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