Henry and Hora's modern electricity; a practical working encyclopedia (1915)
Henry, James. [from old catalog], Hora, Karel Jan, 1881- [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 308
Fig. 142.Shows abnormal growth of bone in the hand, as it appears on the screen. 304 … Fig. 143.Shows a hand with shot located in the fingers. 305 306 MODERN ELECTRICITY The fluorescent screen by means of which such effects areobserved, is usually enclosed in a black box, and is called afluoroscope. Two commercial forms of such a fluoroscopeare shown in figs. 144 and 145.
Electrical engineering
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