File: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) (14570461868).jpg

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Identifier: practicalelectro00mart (find matches)
Title: 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
Year: 1912 (1910s)
Authors: Martin, James Madison, 1866-1947
Subjects: Electrotherapeutics X-rays Diagnosis, Radioscopic Eye Electric Stimulation Therapy X-Ray Therapy Ophthalmologic Surgical Procedures
Publisher: St. Louis : C.V. Mosby
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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Fig. 60.—Both types of high-frequency glass vacuum electrodes. 1, body; 2, vaginal, non-insulated; 3, rectum, noninsulated; 4, vaginal, insulated; 5, rectum, insulated. frequency apparatus and modalities are so little understood, theauthor has made these repetitions for the purpose of popularizingthis feature and bringing it into general use. X-RAY TUBES. The Crookes, or x-ray, tubes are probably less understood thanany other part of the equipment. When new, these tubes have X-RAY APPARATUS 99 a vacuum of about one-millionth of an atmosphere. The vacuumincreases as the tube is used until a point is reached where it willcarry no more current. A certain amount of air in the tube isnecessary to carry the cathode rays. When the proportion of airis just right, the tube will be working at its best. Tubes are gen-erally spoken of as being low, medium, and high, each having itsown particular -field of usefulness. Low vacuum tubes contain,comparatively, a considerable amount of air, which ch

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  • bookid:practicalelectro00mart
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Martin__James_Madison__1866_1947
  • booksubject:Electrotherapeutics
  • booksubject:X_rays
  • booksubject:Diagnosis__Radioscopic
  • booksubject:Eye
  • booksubject:Electric_Stimulation_Therapy
  • booksubject:X_Ray_Therapy
  • booksubject:Ophthalmologic_Surgical_Procedures
  • bookpublisher:St__Louis___C_V__Mosby
  • bookcontributor:Francis_A__Countway_Library_of_Medicine
  • booksponsor:Open_Knowledge_Commons_and_Harvard_Medical_School
  • bookleafnumber:101
  • bookcollection:medicalheritagelibrary
  • bookcollection:francisacountwaylibrary
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014

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