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Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU524Linear
n/a
4637
n/a
Reymond Leather CalculatorKeuffel & EsserUSA
9649
Engine divided celluloid laminated mahogany
"20"
1924
C5

Notes: "Special calculator for use in calculating amount of leather in sq. feet needed for a run of shoes based on size, width, quantity, and type. Copyright and patent by M.H. Reymond. Calculator has three slides, metal pointers, and is mounted in a wooden box."

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