The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students (1901)
Williams, Francis H. (Francis Henry), 1852-1936 · New York, Macmillan · leaf 623
CELLULOID FILMS. … FRONT VIEW END RUBBER BAG (open) RETAINING CLIP HALF SIZE. Ji RUBBER BAS (closed) Fig. 357. Films for photographing teeth. To be placed inside the mouth. Method devised by Dr. Rollins in 1896. a thin bag of black soft rubber or black waterproof paper, to excludelight and moisture, and in putting…
Radiography · X-rays
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