IBM 024/026/056 Card Punch Numeric Keyboard
Provided by the ASK Keyboard Directory

The 21-key numeric keypad for IBM 024 and 026 Card Punches and IBM 056 Card Verifier.
Provided by the ASK Keyboard Directory
The 21-key numeric keypad for IBM 024 and 026 Card Punches and IBM 056 Card Verifier.