Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 228
the coil. Thecurrent is led away from the coil by meansof a fine metallic spring below the coil.When the coil turns, it twists the finecopper ribbon, and the elastic force tend-ing to untwist the ribbon acts against themagnetic force turning the coil. Themirror attached to the coil is used… … FIG. 151. — A DArson-val galvanometer withfixed magnet andmovable coil. 214 PHYSICS OF THE HOUSEHOLD
Physics · Home Economics
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