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 99
/5,/^v 3ocw Fig. 52. Full size of radiograph of pins inserted into cork at various distances from the vacuumtube and plate respectively. The figures in black give the distance of the plate from the tube; thosein white, the distance of the pins from the plate (in inches). 68 THE ROENTGEN RAYS IN… … Fig. 53. The diagrams are drawn to scale. In the two left-hand diagrams the target of thetube was 75 centimetres (30 inches) from the plate; in the two right-hand diagrams, 38 centimetres(15 inches) from the plate. The object is 6 centimetres wide (about 25 inches), and the upper sur-face is 7.5…
Radiography · X-rays
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