Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 398
2 */,//.^Utl\ t^^s … 376 EXPERIMENTAL SCIENCE. zigzag course, as shown in Fig. 362 ; and when a very longspace separates the electrodes, the appearance of the dis- FlG. 366.
Physics · Lantern projection · Electric apparatus and appliances
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