Hollerith Card Guage

This Hollerith Card Guage is suitable for either 38 or 80 column cards and was kindly donated by Julia Haylett on behalf of her husband Albert John Haylett who worked for ICT

Date : 1950

Manufacturer : Hollerith

This exhibit has a reference ID of CH10726. Please quote this reference ID in any communication with the Centre for Computing History.
 

Scan of Document: Hollerith Card Guage

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