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 307
creen,and the human body is interposed between the tube andthe screen, the rays generated will penetrate the flesh,and show only misty outlines of it; the rays, however,will be almcst completely obstructed by the bones, whichwill throw dark shadows on the screen. In this way the pres-ence of… … Fig. 142.Shows abnormal growth of bone in the hand, as it appears on the screen. 304
Electrical engineering
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