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Physicians who are engaged in Roentgen-ray work, and especially those who develop their own plates and films, will appreciate this contrivance to do away with the pan for washing plates. The ordinary No. 3 sink will accommodate 14 by 17 plates, chest plates, and two or more 8 by 10 or smaller plates, and this size sink should be in the dark room. It should be enameled for purposes of easy cleaning.
The contrivance is a rubber sink stopper and overflow drain cheaply and easily made. A 10 cent Daisy sink stopper, as illustrated, is purchased. This is a flat disk of rubber 4½ inches in diameter. Two inches of stiff rubber garden hose are obtained from the hardware dealer. The tube is vulcanized firmly on the sink stopper by the man who repairs automobile tires. The ring under the tube is cut out. One now has an overflow sink
Witherspoon J. RUBBER SINK STOPPER AND OVERFLOW DRAIN FOR ROENTGEN-RAY DARK ROOM. JAMA. 1917;LXVIII(12):911. doi:10.1001/jama.1917.04270030243012
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