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 550
the radiograph must be employed. FOREIGN BODIES 53: Second Method ; by X-Ray Photograph. Stereoscopic Pictures. — Dr. G. P. Girdwood ^ has devised an excellent method of locating a foreignbody by means of stereoscopic radiographs. Dr. Mackenzie Davidson ^has also worked out a similar method which… … Fig. 303. Mackenzie Davidsonexposer. The photographic plate is placed beneath the crossedwires on the board. The wires are inked and leave marks on the skin of the part, and the imageof the wires appears on the negative. This gives lines for localization. The tube is suspended verti-cally above the…
Radiography · X-rays
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