Pre-printed Port-a-Punch Cards

These 80-column punched cards are pre-printed with the locations for IBM alphanumeric code punches. Intended for use in teaching environments.

Date : 1964

Manufacturer : IBM

Format : Punched card

This exhibit has a reference ID of CH42456. Please quote this reference ID in any communication with the Centre for Computing History.
 

Scan of Document: Pre-printed Port-a-Punch Cards

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