"Roentgen" induction coils and other X-ray apparatus (1904)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 25
ch may needrenewing are the springs, which once in a great while crystallizeand break under the strain of constant bending. The contacts should last for a year with constant use, while thesprings may never need renewing. In short we recommend the Roentgen Self-Starting Mechani-cal Interrupter as… … Figure 10. Roentgen Self-Starting Mechanical Inter-rupter and Adjustable Condenser,witn Switches. A COMPLETE interrupter with adjustable condenser and switchesas shown can readily be adapted to coils whose operations isrendered unsatisfaclory because of the inefficiency of the interrupter.The…
X-rays · Induction coils · Radiography
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