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 80
ess, but with its aid they become goodtubes. If a spark-gap is employed with the X-ray apparatus, the range of resistance within whicha tube or tubes can be used is increased, and thereby the life of the tube is lengthened. second, the practitioner may desire to expose a small surface to therays;… … Fig. 40. Tube holder. This cut is taken from my article, A Study of the Adaptation of the X-Rays to Medical Prac-tice, in the Medical and Surgical Report of the Boston City Hospital, for January, 1897, and shows atube holder and two kinds of diaphragms devised by me in 1896. When it was desired to…
Radiography · X-rays
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