Columbia University Computing History
IBM 604 Control Panel
The control panels of the IBM Type 604 Electronic Calculating Punch and the Type 521 Punch Unit. Click on diagram to magnify to full size.
IBM 604 control panel;
Source:
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