Sterlicon 5' cylindrical ready reckoner, c.1970..

Made:
c.1970

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

"Sterlicon 5" cylindrical calculator for sterling-decimal conversion,c.1970. Various ready reckoners were devised to help people convert to the new decimal currency in Britain in 1971.

Details

Category:
Mathematics
Object Number:
1984-632
type:
ready reckoners (currency)
credit:
Mr C.L. McColgin