Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 408
Fly and Inclined Plane. For various experiments with the electrical machine andwith Leyden jars a jointed discharger is required. A sim-ple and inexpensive one is shown in Fig. 381. It consists oftwo wires bent one around the other to form a joint, and 386 EXPERIMENTAL SCIENCE. bent out nearly…
Physics · Lantern projection · Electric apparatus and appliances
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