Columbia University Computing History   

IBM 604 Keys and Lights

The keys and lights (console) of the IBM 604 Electronic Calculating Punch. Click on the image to magnify to full size.

IBM 604 Control console
IBM 604 Control console; Image: IBM 604 Manual of Operation, 22-5279-9 (1954).
Columbia University Computing History Frank da Cruz / fdc@columbia.edu This page created: January 2001 Last update: 4 April 2021