Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 464
coil consists of afew turns of stout insulated wirewound about a soft-iron core. Thesecondary coil, consisting of a greatnumber of turns of very fine insu-lated wire, surrounds the primarycoil. Its terminals are attached tobinding posts placed above the coil.The current-breaker is usually of the… … Fig. 549.—The essential parts andelectrical connections in the induc-tion coil. *The induction coil was greatly improved bv Ruhmkorff (1803-1877), a famous manufacturerof scientific apparatus in Paris, and is often called the Ruhmkorff coil. 454 INDUCED CURRENTS screw B of the current-breaker in…
Physics
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