Inside Out Library
X-ray manual : U.S. Army (1917)
United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 36
Fig. 9. Upper: Current-time curve for self-rectifying tubeLower: Voltage-time curve.X-rays · Fractures · Teeth · Chest · Heart · Radiography
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
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