July 2013 - AHSC Office of Public Affairs - University of Arizona

Page 7First Clinical X-ray in AmericaX-Ray event captured by photographer HenryH. Barrett on February 3, 1996, in Dartmouth’sReed Hall. (L to R - Professor EdwinFrost, patient Eddie McCarthy, Gilman Frostand Margaret Mead Frost.)On January 19, 1896, young EddieMcCarthy of Hanover, New Hampshire, fellwhile skating on the Connecticut River andfractured his left wrist. His physician, GilmanD. Frost, contacted his brother, Edwin Frost,a Professor of Astronomy at Dartmouth.On February 3, 1896 Eddie was broughtto the Physics Laboratory in Reed Hall atDartmouth where a battery powered Crookesvacuum tube was used to produce the firstclinical x-ray in America. This “Colles” fractureswas depicted with an exposure time of20 minutes on glass “plates.”For more information, go to the AmericanJournal of Roentgenology. January1995; 164:241-243 or click on this link:http://www.ajronline.org/doi/abs/10.2214/ajr.164.1.7998549Photograph of originalgelatin plate made with20-minute exposure. Ulnarfracture is visible but imagecertainly shows evidence ofsignificant degradation bymotion.Imaging Word Search... Here are the answers to last month’s word search.