This is a black and white image of several circuit board chassis mounted in racks. Several of the racks are empty. The left side of the image contains the main arithmetic unit which consists of circuit board chassis. The bottom side of image is the base for the second core memory which is currently empty. In the background are the interplay, SAFF, and drivers and sense amplifiers and digit drivers mounted in the racks. Labeled on the diazo type blue line drawing that is included with the image is "Main Arithmetic Unit", "Base For Second Core Memory" , "Drivers", "Interplay", "SAFF", and "Sense Amplifiers and Digit Drivers". Each label is written to correspond to the area where the equipment located in the image. Written on verso side of image is "9 Aug 61"
Identification photograph; Publicity photograph
Computer industry--History; Computers--History; Electronic data processing--History; Diazo type drawings