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 171
Fig. 43. Fig. 44. Currents in Vacuo. 145 40 inches long by one-twelfth of an inchinternal diameter, carrying the reservoirfunnel R at the top, a piece of soft rubbertubing, S, nipped by a pinch-cock beinginterposed to admit of the regulation ofthe mercurial drops. The lower end ofthis fall tube, as…
Induction coils · Radiography · X-rays
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