Military surgery of the zone of the advance (1918)
Tarnowsky, George de, 1873- · Philadelphia and New York : Lea & Febiger · leaf 297
about a central axis.An indicating rod passes through a slider attached to themovable arc in such a way as to coincide in all positions witha radius of the sphere and whether it actually reaches thecenter or not it is always directed toward that point. If itsmovement to the center of the sphere is… … Fig. 23.—Hirtz compass. The value of the compass lies in its wide possibility as asurgical guide, in that it does not confine the attention of thesurgeon to a single point marked on the skin, with a possibleuncertainty as to the direction in which he should proceed inorder to reach the projectile,…
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.
