000004657 001__ 4657 000004657 005__ 20230914041653.0 000004657 0247_ $$2DOI$$a10.6083/M4CC0Z3Z 000004657 037__ $$aDA 000004657 245__ $$aCoolidge x-ray tubes 000004657 269__ $$a1930 000004657 336__ $$aStill image 000004657 520__ $$aDigital photograph of two Coolidge GE x-ray tubes, set on a gray counter. A ruler has been placed in the foreground for size comparison. 000004657 520__ $$aca. 1910-1930? 000004657 520__ $$aTwo Coolidge GE x-ray tubes, 55 cm and 57 cm in length. Coolidge GE tube #34380 has a removable shock-proof screw cap for the socket. A paper label on the end of the tube reads "fine focus," and lettering on the tube itself reads: "this tube not licensed to be re-exhausted or repaired, nor is the metal herein contained licensed to be used except in this particular tube." The Coolidge GE #15867 also has a removable screw cap, and is mounted with two electric wire terminals. The socket on this tube is somewhat corroded. 000004657 520__ $$aMedical Museum Collection, Box 81 000004657 540__ $$fCC BY 000004657 542__ $$fIn Copyright 000004657 650__ $$aTechnology, Radiologic$$026802 000004657 650__ $$aX-Rays$$028020 000004657 650__ $$aRadiology$$025109 000004657 7001_ $$aGeneral Electric Company 000004657 8564_ $$9ef56b621-fa98-46be-850a-955762c48e67$$s48540$$uhttps://digitalcollections.ohsu.edu/record/4657/files/213e32c539c49f907482d9b7e7f699ff.jpg 000004657 905__ $$a/rest/prod/z0/29/p5/11/z029p511d 000004657 980__ $$aHistorical Collections and Archives