Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 485
for the inner end of the wire. The heads arelined with thick paper, and the bar between the heads iscovered with a single thickness, E, of heavy paper. The winding is begun by passing the end of the wire(No. 16 copper cotton-covered magnet wire) through theaperture, a, allowing it to project about… … Form for Coils. thin glue. Ihe second layer is then wound, starting from thehead, C, and winding in the same direction toward the head,D, and when the second layer is complete it is brushed overwith the glue, after which the third layer is wound andglued, and so on, laying the wire on like thread…
Physics · Lantern projection · Electric apparatus and appliances
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