File:American X-ray journal (1899) (14570150749).jpg

Identifier: americanxrayjour5618unse (find matches)
Title: American X-ray journal
Year: 1900 (1900s)
Authors:
Subjects: X-Rays Radiography
Publisher: St. Louis : American X-Ray Publishing Co.
Contributing Library: The College of Physicians of Philadelphia Historical Medical Library
Digitizing Sponsor: Open Knowledge Commons and the National Endowment for the Humanities

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FRONT V I EW OFROTARY TARGE.T(FULL SIZE) Fig. 51.—Showing the Corona. Fig. 53. — Full Sze Viewof Revolving Target. other data should be given. Recently inattempting to make a generalizationfrom my experience with vacuums Ifound my early observations useless,because I had relied on this ancient andcomparatively useless measure. I there- is so occupied with other things that heprobably would never take the time tomention it again. What a surgeonwants, when he sends a patient to theRoentgen laboratory of his hospital, isto have a picture of the injury delivered
Text Appearing After Image:
Fig. 52. — Simple Form of Revolving Target Tube. fore point out some things which shouldbe considered with it to make therecords of value: The distance be-tween the terminals; the form, area,nature and temperature of the terminals;the shape of the tube ; the kind of gas ;the length of time the tube has beenused ; the voltage and amperage of thecurrent ; the kind of generator, includ-ing the form, size and rapidity of thesurges. to him in a few minutes, so that he canat once use it in his diagnosis. Whenhe finds he must wait some hours, or aday or two, he instinctively avoids themethod, his time being too valuable tolose. Professor Thomsons methodenables him to get not one, but a num-ber of positives in a few minutes, oneof which will almost surely be betterthan would be the single plate taken inthe usual way. The method consists in 6oo THE AMERICAN X-RAY JOURNAL. placing half a dozen sheets of bromidepaper in a pile, and on top the part to bephotographed. On developing all theprints

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