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Article
September 30, 1905

ONE OF THE CAUSES OF IMPERFECTION IN THE RADIOGRAPHIC IMAGE.

Author Affiliations

SPOKANE, WASH.

JAMA. 1905;XLV(14):961-962. doi:10.1001/jama.1905.52510140007001b
Abstract

Two recent articles on the x-ray in The Journal of the American Medical Association have interested me much. One in particular, in which the author, Dr. Stover of Denver, touches on the subject of the formation of x-rays at parts of the Crookes tube remote from the target. The belief in the formation of such rays is widespread and, no doubt, has some origin in fact. I wish in this paper to show that in some cases at least these rays are not thus produced, and can not, therefore, be held responsible for the bad effects noticed in radiography which are usually laid at their door. That there is, nevertheless, some obscure cause at work which tends to reduce the sharpness of the radiograph or of the fluoroscopic image is undoubted and it may be stated further that the x-rays do reach the photographic plate from directions other

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