Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 267
orescent substance,and placed in the large end of a flaring box, while theother end is shaped to fit the head and ex-clude any side rays of light. The fluoroscopeis placed to the eyes, the hand being held infront of the screen and between that and thetube. The shadow of the bones of the handwill be…
Physics
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