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 566
FlG. 313. Needle in wrist; antero-posterior view. (See also following figure.); t ^^ … Fig. 314. Needle in wrist; lateral view. From same patient as shown in preceding tigure. 550 THE ROENTGEN RAYS IN MEDICINE AND SURGERY determine how small a piece of metal could be seen in a radiograph.They used four fragments of needles of known weight and size, andattached them firmly to various…
Radiography · X-rays
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