ENIAC Vacuum Tubes / Paul W. Schaffer

Detail of the back of a panel of ENIAC, showing vacuum tubes. This was taken from the computer lab, which has a glass window to the back of the piece of ENIAC on display at the Moore School of Engineering and Applied Science. The image was perspective-corrected and cropped by myself. Original photo courtesy of Paul W Shaffer, released under GNU license along with 3 other images in an email to me.
Copyright 2005 Paul W Shaffer, University of Pennsylvania.
Date 7 September 2006 (original upload date)
Source Transferred from en.wikipedia to Commons by Andrei Stroe using CommonsHelper.