File:The American journal of roentgenology, radium therapy and nuclear medicine (1906) (14756988795).jpg

Identifier: americanjournroen06ameruoft (find matches)
Title: The American journal of roentgenology, radium therapy and nuclear medicine
Year: 1906 (1900s)
Authors: American Radium Society American Roentgen Ray Society
Subjects: Radiotherapy X-rays
Publisher: Springfield, Ill. C.C. Thomas
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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great stress. Both the French and EngHsh have de-pended entirely upon coil and interrupter ^^^^ , ^^^^^^^ poktable .^pparatis of ,9.5. Con.to furnish the high tension current. The Ixtekrupter and Control Table Assembled. interrupter is usually of the gas-mercury type. Valve tubes are invariably used, and English type of portable apparatus of 1915the roentgen ray tubes are the ordinary which receives its current supply from thegas tubes. The use of Coolidge tubes is still gas-electric set shown in Fig. 2. This is aquite limited in Europe, and so far as I water cooled gas engine with direct con-have been able to learn they have never nected dynamo delivering a current of 10been used there with portable apjiaratus, amperes at 60 volts when run at its normalexcept that furnished by our own Medical speed. Storage batteries are a part of theDepartment. apparatus, and by connecting them in * Authority to publish granted by the Board of Publication, Surgeon Generals Office, Washington, D. C.
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Mobile Roentgen Ray Apparatus 359 series with the dynamo a current of loamperes at lOO volts may be obtained.This combination makes it possible toobtain 4 or 5 milliamperes through a tubeof medium hardness. Fig. 3 shows the latest type of Englishapparatus set up ready for operation. Thecanopy extension connected to the auto-mobile serves as a fluoroscopic room. The Equipage Radiologique with the mercuryinterrupter on a shelf by the drivers seatand a gas-electric generating set mountedbehind the drivers seat. The latest typeof French roentgen ray automobile outfithas been described as follows by Lt. Col.P. M. Hickey: It consists essentially of an ordinaryautomobile with a large box body, which

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