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 62
when the connectionis made with the principal terminals. If an alternating current isdesired, connection is made with the terminals of the interior coatir-^sof the Leyden jars. If a current of still higher frequency is wanted, asmall Tesla coil is inserted in the Leyden jar circuit. If a current… … Fig. 22. Diagram of A. W. L. universal coil. (Rollins.) Sixth: The spark-gaps are enclosed in tight tubes of glass to pre-vent the escape of gases that irritate the respiratory mucous membrane;.these gases may be removed by means of an aspirator connected by arubber tube with the spark-gaps. This…
Radiography · X-rays
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