Practical radiography : a handbook for physicians, surgeons, and other users of X-rays (1901)
Isenthal, A. W, Ward, H. Snowden (Henry Snowden), 1865-1911 · London : Published for The Photogram, Ltd. by Dawbarn and Ward, Ltd. · leaf 79
Fig 26. of adapting the coil to the tube and the kind of work inhand. .One of the disadvantages of such platinum breaks isthe irregular wear of the contacts, particularly in the caseof large coils with heavy currents. Gaiffe tried to secure > … M Induction Coils and Interrupters 65 more uniformity in wear by rotating one of the platinumstucls slowly by means of a small electric motor, but thesubsequent gain is too small to warrant the complication.Before starting the coil we have to see that the contactsurfaces are smooth and in touch all…
Radiography · X-rays
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