Adventures in electricity number four: X-rays - in medicine, industry and science
Johnny Powers falls from a tree and hurts his arm. As older brother Ed Powers, a GE engineer, takes him to the hospital for an X-ray, he explains how X-rays work and the history of X-rays, including the contributions of Wilhelm Roentgen and William Coolidge, a GE research scientist who invented the hot-cathode vacuum X-ray tube in 1913.
General Comics, Inc.
General Electric Company
Roussos, George, 1915-2000
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Comic book; color; 6.7 x 10 in (17 x 24 cm.)