Bronkhorst W. Kontrast und Schärfe im Röntgenbilde. Translated from Dutch. 104 pages, 48 figures, 4 tables, 30 curves. Edited by G. Thieme, Leipzig, 1927. Price 15 Mar.

Abstract

Despite the fact that the key to successful X-ray diagnosis has always been an improved technique of transmission and imaging, we are still not yet out of the realm of empiricism in our understanding of the graphic workings of the X-rays. Obtaining a good - contrasting and clear - picture still requires some dexterity in technique. Knowledge of the apparatus and the tube alone is not always enough, something else is needed. The author subjected this "something" to a number of experimental radiographic studies.

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