This is a black and white image of a pneumatic pump switch. The switch is bolted down and against a white background. The light is coming from the direction of the camera. Written on verso side of image in pencil in the bottom right is "M7, 3-12-64".
Publisher
International Business Machines Corporation (IBM)
Identifying Numbers
Other number
3-12-64
Verso on Duplicate
Other number
M7
Verso on Duplicate
Dimensions
10 x 8 in.
Format
Photographic print
Category
Identification photograph; Publicity photograph
Subject
Computer industry--History; Computers--History; Electronic data processing--History