Archive of Collections

Details and Image

TypeModel No.MakerCountryConstruction
DateScale LengthArea of Use
Ross Student Rapid Computer
Louis Ross"San Francisco, U.S.A."
1918 to 1927Dia. = 9 cmGeneral Calculations

Notes: "1) Student version of the Ross Rapid Computer made of celluoid with leather case 2) See Vol 25, No 1 pg28-29 Journal of the Oughtred Society for a details about this slide rule."

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