The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students (1901)
Williams, Francis H. (Francis Henry), 1852-1936 · New York, Macmillan · leaf 551
NE AND SURGERY in one plane. Further, one of the cross wires must be in exactly thesame plane as that in which the tube is to be displaced. The wiresbeing painted over with some pigment, the part to be photographed isplaced on the plate and carries with it a, mark of the cross wires. Thetube is… … Fig. 304. Mackenzie Davidson localizer. The negative is placed on the glass plate in the sameposition relative to the two points on the crossbar that it occupied relative to the anode when theexposure was made. Weighted threads are then stretched from corresponding points on the imageto the points…
Radiography · X-rays
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