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License`Supra Bareme' ready reckoner by F. Savineau, Dijon, c. 1925
Science Museum Group
© The Board of Trustees of the Science Museum
`Supra Bareme' ready reckoner by F. Savineau, Dijon, c. 1925. This is a two-cylinder machine which was used to find the cost of various quantities of goods with prices between 4.25 and 60 French Francs.
