Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 459
is secured in place bj cement or wax. The mirrorhas a focus of i meter. The relation of the magnet, A, the coil, C, and the ironcylinder, B, are clearly shown at 3, which is a horizontalsection taken through those parts. A glass shade protects the delicate parts of the instru-ment. The two binding… … 3, Horizontal Section of Magnet Coil, and Core. 4 and 5, Details ofDeprezs Galvanometer. binding post to the column, thence down the upper silverwire, then through the coil, the lower silver wire, and thespring to the other binding post. The silver wires are placed under considerable tension,and…
Physics · Lantern projection · Electric apparatus and appliances
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