Practical radiography : a handbook for physicians, surgeons, and other users of X-rays
A 1901 London handbook on X-ray practice by A. W. Isenthal and H. Snowden Ward, issued for The Photogram, Ltd. and addressed to physicians, surgeons and other operators of early radiographic apparatus. Line engravings show vacuum tubes, electrode assemblies, focus-measuring scales and sectioned screw fittings, drawn in fine outline with dotted ray paths and letter keys on cream paper, useful for diagrams, technical ornament and scientific lettering.
