Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 457
e is per-haps none possessing so many good qualities as the oneshown in Fig. 426. It is very simple. The materials areinexpensive. No great mechanical skill is required in itsconstruction, and its sensitiveness and accuracy are suffi-cient for most requirements. Besides all this, it is… … ^^^^ :^v^^r Deprez-DArsonval Galvanometer. It consists essentially of a rectangular coil of fine wire sus-pended on strained torsional wires in a strong magnetic field.To the base is secured, by means of angle plates, a com- DYNAMIC ELECTRICITY. 435 pound U-magnet, 7 inches high, formed of three…
Physics · Lantern projection · Electric apparatus and appliances
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-270-143.webp)
