IBM 96 Column Card Gauge

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A metal punch card gauge used to check that punched holes in IBM cards were aligned correctly.

The surface of the gauge is marked like a punch card. A card can be placed over the top and held in place. The card can then be checked to see if the holes align with the printed surface.

The reverse of the gauge contains instructions for its use.

Date : 1960

Manufacturer : IBM

Format : Punch Card Gauge

Physical Description : 96 Gauge

This exhibit has a reference ID of CH67706. Please quote this reference ID in any communication with the Centre for Computing History.