File:The American journal of roentgenology, radium therapy and nuclear medicine (1906) (14757068412).jpg

Identifier: americanjournroen09ameruoft (find matches)
Title: The American journal of roentgenology, radium therapy and nuclear medicine
Year: 1906 (1900s)
Authors: American Radium Society American Roentgen Ray Society
Subjects: Radiotherapy X-rays
Publisher: Springfield, Ill. C.C. Thomas
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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mS Fig. 2. Left Eye Image. Roentgenograms of dried skull.Right side above, left side below, punch marks at theright. Figures I and 2 can be stereoscoped in theordinary Wheatstone stereoscope. Next, io X 7 pieces of celluloid areprepared, using discarded films with theemulsion washed off. The films of the rightmastoid are turned over so that thenumbers read backward (because thestereoscope mirror reverses the image)and fastened to the upper half of thecelluloid mount, using paper clips. Itwill be found that the punch marks are 753 _54 A New Method of Simultaneous Stereoscopic Observation of Both Mastoids located at opposite corners in the twofilms. The left mastoid films are nowturned over so that the numbers readbackward, and are fastened to the lowerhalf of the celluloid mount, care being mount with the punch marks at the rightis the left eye image; in other words, thepunch marks must be placed at the backof the box. The mounted films are nowobserved in the stereoscope to assure that
Text Appearing After Image:
•• !■ Showing method oi fastening films on celluloid mount. In the left eye image, the temporary paperCPS ■ seen; in the right eye image, staples have been applied and the clips removed. It has been foundunnecessary to use more than two staples; in fact, more than two are apt to cause buckling of the films. Thecurtains ol the stereoscope boxes serve to hold the upper and lower borders of the films against the mount. taken to see that the punch marks in thelowei films correspond with those in theupper ernes. I wo mounts arc now reach for the u pe; in one the punch marks are at the (eft, in the other at the ri^ht. The the right mastoid is above, the left below,and that there is a true stereoscopic effectwith the number farther from the observerthan the shadow of the skull. If everythingis in order, the films are permanentlyfastened to the celluloid with metal staples. A. NEW RADIUM APPLICATOR FOR HIE TRI VI MENT OF CATARACTS BY BUNDY ALLEN, M.D. IOWA CITY, II i\\ \ THE applicati

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