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 YEAR: 1960
 COMPANY: IBM
 COUNTRY: USA
 IN OUR COLLECTION: Yes
Click here for further information on our rarity scale RARITY: Unknown
IBM Punch Card Guage

 
According to the Centre for Computing History in Cambridge, England this was made in 1960. It is used to calibrate the IBM machines that processed punch cards. The back of this grey, metal guage has a sticker with instructions on how to use it. div style=margin-left:50px;>

The Registration of all card punching equipment should be checked once each day. This guage should be used to check the registration of all key punches, reproducing punches, and calculating punches.

To use this gauge, punch a test card with 12-9 diagonally across 80 columns and place the card face up 12 edge to the top firmly against the guides at top and right hand end.

Any machines out of registration should be reported to your supervisor immediately.







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