. Journal of radiology . eutic application. The closest sort of cooperation willbe maintained with the United States Bureau of Standardsand the latter will be commissioned to certify all of theradium salts offered for sale. 534 fl DER\RJMENT ^TECHNIQUE Tt i // >^—^ i ■ Drawings for Lantern Slide Protection N. J. NESSA, M. Falls, S. D. Take an ordinary Eastman dupli-tized film and pass it through the fixingbath until the silver salt has been re-moved, wash and dry. This will leavea clear, transparent film with enoughemulsion base remaining to hold writ- ing. In drawing, your diagram
. Journal of radiology . eutic application. The closest sort of cooperation willbe maintained with the United States Bureau of Standardsand the latter will be commissioned to certify all of theradium salts offered for sale. 534 fl DER\RJMENT ^TECHNIQUE Tt i // >^—^ i ■ Drawings for Lantern Slide Protection N. J. NESSA, M. Falls, S. D. Take an ordinary Eastman dupli-tized film and pass it through the fixingbath until the silver salt has been re-moved, wash and dry. This will leavea clear, transparent film with enoughemulsion base remaining to hold writ- ing. In drawing, your diagram can betreated directly on the film on squaresthe size of standard lantern slides—(3 _x4 inches)—which now can bemounted or placed between two hingedcovered glass slides and projected in the ordinary lantern glass adhesivepaper along one side. This method ofmounting can also be used for smallobjects such as radiographs of fingers,etc. India ink gives best results for re-production. Dr. Albert Soilands Installation. Fig. 1—High voltage installation of Dr. Albert Soi-land, Los Angeles, showing connection for operating three tubes, either singly or multiple, from samegenerator set. 535 DEPARTMENT OF TECHNIQUE
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