Hollerith Hand key punch spares

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Parts for the Hollerith ICT hand operated key punch. The punch was patented by Herman Hollerith on the 10th September 1901.

These were kindly donated by John Somerfield.

Date : 1930

Manufacturer : Hollerith

This exhibit has a reference ID of CH15529. Please quote this reference ID in any communication with the Centre for Computing History.
 

Scan of Document: Hollerith Hand key punch spares

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