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 58
gestion, subdivided the con-denser, made the speed of the interrupter variable, and put in anadjustable spark-gap (see page 16). Without these adjustments theapparatus would not be suitable for examinations of the chest. I alsofound it desirable to use a slate wheel, and to employ Van… … Fig. 19. Cut of portable apparatus for u-sc on iio-volt circuit. The smaller box contains the coil;the larger, the interrupted electrolytic interrupter, two vacuum tubes, and the tube-holder. Thetube-holder is shown fastened to the smaller box. continuously for four hours ; at least half of this…
Radiography · X-rays
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