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Induction coils : how to make, use, and repair them including Ruhmkorff, Tesla, and medical coils, Roentgen radiography, wireless telegraphy, and practical information on primary and secondary battery (1901)

Schneider, Norman H. (Norman Hugh) · New York : Spon & Chamberlain ; London : E. & F.N. Spon · leaf 44

An illustration from Induction coils : how to make, use, and repair them including Ruhmkorff, Tesla, and medical coils, Roentgen radiography, wireless telegraphy, and practical information on primary and secondary battery, 1901, leaf 44
ng gal-vanometer. This method, first describedby Mr. F. C. Alsop in his treatise on* Induction Coils, is somewhat as fol-lows : A special piece of apparatus (Figs. 7 and8) is necessary, but presents no great diffi-culty in manufacture. A metal disk, D, one-sixth of an inch thick and 7 inches in… … fl^ flx: <( 3^, to ^ ^ Coil Construction. of the coil to be wound has been decidedupon, a wooden collar, W, with a bevelledsurface is slipped on the shaft, it corre-sponding- in diameter with the desireddiameter of the hole through the centre ofthe secondary coil. As these coils aregoing to be…

Induction coils · Radiography · X-rays

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