Davidson, James Mackenzie, Sir, 1856-1919 · New York, P.B. Hoeber · leaf 86
ameter punched in its centre, can be sus-pended on a sliding bar in such a way that this stopcan rest against the tube and be so adjusted as toadmit a small cone of X rays through the aperture.This apron stop, being attached to a sliding bar, slidesparallel to the movement of the tube, and can… … Fig. 28.—Head-Rest for Eve Localization.
X-rays · Eye · Foreign bodies (Surgery)
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