IBM 7622 Signal Control
International Business Machines Corporation (IBM)
8 x 10 in.
This is a black and white image of an IBM 7622 against a white background. There is a row of five buttons on a panel. Written on verso side of image in blue ink is "5512" and "7622".
Identification photograph; Publicity photograph
International Business Machines Corporation (IBM); IBM 7622 (Accessory)
Courtesy of Gwen Bell