United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 172
the rods. (Fig. 16) is an end view of Jordans apparatus. Direct Methods. All direct methods depend upon some means whichmark the point at which the vertical ray passes throughthe skin both at entrance and exit. The earliest, mostsimple, and, so the writer thinks, best of these was de-scribed by… … Fig. 16. Jordans localizer, end view.
