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 567
a radiograph.They used four fragments of needles of known weight and size, andattached them firmly to various parts of the human body, and thenradiographed them. The summary of their experiments is as follows : 1. An iron foreign body in the hand ; weight i milligramme. The exposure was ten sec-… … Fig. 315. This cut shows a piece of glass in the upper finger. Patient of Dr. I^und. 3. Iron foreign body in the upper ann; weight i milligramme. Exposure thirty sec- onds ; distance of tube 30 centimetres. 4. Iron foreign body in the foot; same weight as above. Exposure one to two min- utes ;…
Radiography · X-rays
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