5). 62 THE BONTGEN BA YS IN MEDICAL WORK A very ingenious detail of Dr. Battens rectifier is the use of atinfoil condenser in the circuit of the electromagnet, and of a self-induction coil in the rectifier circuit. This arrangement reducesthe amount of sparking at the contacts, and is valuable on… … Fig. 36.—Siemens Rectifier (Schall). coils. In the latter case the contacts and interruptions are arrangedto take place near the maxima of the alternating current waves,and the contact surfaces of platinum are massive, to carry largecurrents and to withstand the sparking. In this form the…
X-rays · Radiography
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