Practical electro-therapeutics and X-ray therapy : with chapters on phototherapy, X-ray in eye surgery, X-ray in dentistry, and medico-legal aspect of the X-ray (1912)
Martin, James Madison, 1866-1947 · St. Louis : C.V. Mosby · leaf 213
while thenegative terminal (cathode) is to be connected in the same mannerto the negative prime conductor. Instead of being connected di-rectly to the metallic parts of the prime conductors, the wires fromthe terminals of the tubes are fastened to sliding rods or handles,which may be brought near… … Fig. 103.—Method of connecting an x-ray tube to a static machine. When the vacuum of the tube is quite low and the rays fail topenetrate the tissues, a y2- to 1-inch spark gap on the negative sideof the tube will raise the vacuum and considerably increase thepenetration. This spark gap should be…
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