File:A system of instruction in X-ray methods and medical uses of light, hot-air, vibration and high-frequency currents - a pictorial system of teaching by clinical instruction plates with explanatory text (14570250860).jpg

Identifier: systemofinstruct00mone (find matches)
Title: A system of instruction in X-ray methods and medical uses of light, hot-air, vibration and high-frequency currents : a pictorial system of teaching by clinical instruction plates with explanatory text : a series of photographic clinics in standard uses of scientific therapeutic apparatus for surgical and medical practitioners : prepared especially for the post-graduate home study of surgeons, general physicians, dentists, dermatologists and specialists in the treatment of chronic diseases, and sanitarium practice
Year: 1902 (1900s)
Authors: Monell, S. H. (Samuel Howard), d. 1918
Subjects: Vibration X-rays Diagnosis, Radioscopic Thermotherapy Electrotherapeutics X-Ray Therapy Vibration Diagnosis
Publisher: New York : E.R. Pelton
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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Text Appearing Before Image:
Plate 27.—This plate makes clear the device suggested by Dr. Pfahler for darkening thetube. In the upper figure the main bulb of the tube is within the hood, and in action throwsthe rays down or out through the aluminum shield. The small auxiliary bulb seen out ofthe hood is the vacuum regulator. In the lower figure the hood is dropped to expose the tube.
Text Appearing After Image:
Pirate 28.—Fluoroscopic Technics. Tliis Instruction Plate shows the casual method ofinspection in common use. Do not e.xpect to determine a fine diagnosis of obscure thoracicconditions with the patient fully clothed and by the off-hraid glance made in haste by rapidlyturning the man around. In this way there is no adjustment of the axis of the rays, or thedistance of the tube, and the ))Osition of the screen, except such as result from guesswork.Note also that with the arm down and the fiuoroscope as placed in the plate the scapula castsadark shadow over the lung tissue and prevents clear examination of the area. The relativepositions of tube, patient, and Fciean in this picture are, however, much nearer correct thanmany em)iloyed in general practice. STUDIES m FLUOEOSCOPIC TECHNICS 89 of joints, tlie thoracic organs—fluoroscopy is tlie reigning metliod.But the fluorescing impressions, succeeding each other rapidly, areapt to blur in the eye if the features of the lesion are not d

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