Military surgery of the zone of the advance (1918)
Tarnowsky, George de, 1873- · Philadelphia and New York : Lea & Febiger · leaf 304
the original Hirtz compass and has a projecting pinwhich fits the perforation in the screen. One of the arms isrigidly attached to a ring concentric with the axis of rotationabout the pin, while the other two are movable but may beclamped by thumb-nuts to the ring. It is evident that placingthe… … 302 MILITARY SURGERY OF ZONE OF THE ADVANCE vertical ray and the arm and slider adjusted so the hole in theslider matches such a projection of each marker, the threeopenings in the sliders on the arms and the central pin fixthe four points which it is necessary to obtain. It thenremains to…
World War, 1914-1918 · Gunshot wounds · X-rays · Medicine, Military · Wounds and injuries · Military Medicine · Surgical Procedures, Operative
Internet Archive · Countway Library of Medicine, Harvard · Public Domain Mark 1.0. Free to use for anything.
