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Norborne B. Powell, M.D.
JAMA. 1955;158(8):689. doi:10.1001/jama.1955.02960080065021.
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To the Editor:—  In The Journal, April 9, 1955, page 1332, there was a well-written letter by Dr. Julian Arendt on an interesting subject, preservation of x-ray films. I reported on a method of reproducing x-rays on 35 mm. film in the Journal of Urology in March, 1952, page 397. There are numerous modifications of this technique, but a recent one has been the utilization of the Land Polaroid camera, which will take pictures that can be made in duplicate or triplicate for the referring physician or patient's chart. There are commercial devices obtainable that will do mass production of x-rays for hospitals on 35 mm. or 70 mm. film, but my technique was designed primarily for quality reproduction and is not suitable for mass production.Microfilming of x-rays, charts, and correspondence has been done on 8 or 16 mm. film by numerous companies in an effort to cut down


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