File:Radiography, x-ray therapeutics and radium therapy (1915) (14570855309).jpg

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Identifier: radiographyxrayt00knoxuoft (find matches)
Title: Radiography, x-ray therapeutics and radium therapy
Year: 1915 (1910s)
Authors: Knox, Robert, 1868-1928
Subjects: Radiography Radiotherapy X-rays
Publisher: London : A. & C. Black
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: MSN

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Fig. 22.—Trolley control table, with resistancesarranged to facilitate time and rapid exposures.(Siemens.) sumed, platinum is always used with these interrupters as the active electrode,because it disintegrates very slowly and therefore gives the best results. 24 RADIOGRAPHY These interrupters are manufactured with 1, 2, 3, 4, or 6 separate electrodes,i.e. they are used as single, double, triple, quadruple, or sextuple interrupters.When employing a multiple interrupter one is not obliged to regulate at theinterrupter itself, and can therefore set it up outside the X-ray room, sothat its noise causes no disturbance.
Text Appearing After Image:
Fig. 23. —Larger view of top of trolley control table to show the regulating parts. (Siemens.) The advantages of the Wehnelt interrupter are summarised briefly asfollows : (1) Simplicity of construction. (2) Convenient handling of the X-ray outfit. The Wehnelt interrupterrequires no attention. (3) Largestlcapacity, as it interrupts very rapidly the largest amountof energy and therefore the most intense X-rays are obtained. (4) Long life to the tubes even when used with heavy currents. (5) In comparison \^^th all mechanical interrupters, great reliability. METHOD OF ACTION OF AN ELECTROLYTIC INTERRUPTER 25 This is due to its simplicity of construction and method of working, theabsence of mo\Ttig parts, and the consequent simplicity of connectionsof the whole outfit. In the case of X-ray outfits for rapid exposures three or more electrodesare arranged in parallel by means of a switch, and the electrodes are soadjusted that equal parts of them mterrupt the total current. In conjunction

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Flickr tags
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  • bookid:radiographyxrayt00knoxuoft
  • bookyear:1915
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Knox__Robert__1868_1928
  • booksubject:Radiography
  • booksubject:Radiotherapy
  • booksubject:X_rays
  • bookpublisher:London___A____C__Black
  • bookcontributor:Gerstein___University_of_Toronto
  • booksponsor:MSN
  • bookleafnumber:55
  • bookcollection:gerstein
  • bookcollection:toronto
  • bookcollection:medicalheritagelibrary
Flickr posted date
InfoField
27 July 2014

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