United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 162
Fig. 8. Hlrtz compass applied to the patient. … Fig. 9. Diagram showing the Sutton canula and trocar and the harpoon, as wells the way they may be used. The milled wing at the head of the canula may be en-aged with a strong forceps and thus obviate the necessity for getting the hands intohe open ray. 155 156 X-RAY MANUAL—U. S. ARMY reason the…
