United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 178
converted intoreal diagonals by a ruler, so that we have the exactposition of the projectile indicated at the point wherethe lines intersect. Finally, the important anatomicalstructures can be sketched into the cross-section, a pro-cedure which is greatly facilitated by the aid of a… … 23. Diagram showing how theion charts and Its use in indicating the exact p O
