"Roentgen" induction coils and other X-ray apparatus (1904)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 9
age and lengthen-ing of the current wave is especially valuable for use with softtubes. By having a number of steps or values of self-inductionthe character of the discharge of the coil is readily adapted to thevacuum of a tube of any degree of hardness. An especial advantage of this adaptation of… … Fig. 2. This illustration shows the Inductance Switchon the end of a coil primary. with the vacuum of the tube, difficult radiographs of deep partsmay be made in remarkably short time. Such interrupters as the mercury jet,Interrupters. hammer, mercury dip and other mechanical interrupters do not…
X-rays · Induction coils · Radiography
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