X-ray apparatus : complete outfits and accessories for X-ray laboratories (1908)
Kny-Scheerer Company · New York : Kny-Scheerer · leaf 10
THE KNY-SCHEERER COMPANYS LABEL GUARANTEES HIGHEST STANDARD. … Thorax, taken with Intensifying Screen in V25 th. of a second at a distance of 24 inches.
X-rays · Radiography
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