Amateur mechanics ... a book for old and young who like to make things .. (1907)
Popular mechanics magazine, Chicago. [from old catalog] · Chicago, Popular mechanics · leaf 61
eted.The primary i- made of line annealednoli w ire cut T in. or 8 in. inlength, as the maker prefer.-, andbundled to a diameter oi I in. Themay he straightened by rolling two oi three ;|t a tlllie hetWeill t WO of hard w 1. If the amateur has difficulty in procuring tin- wire,the entire (ore may… … Wiring Diagram and Parts of l-ln. Induction Coil sirable. Beginning half an inch fromone end. No. Hi cotton-covered magnet wire is wound from one end to theother evenly and then returned, mak-ing two layers, and the terminals tied POPULAR MECHANICS down to the core with, twine. Core andprima:…
Handicraft · Amusements
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