Archive of Collections



Details and Image



TypeModel No.MakerCountryConstruction
Material
DateScale LengthArea of Use
Linear & Calculator
Faber-Castell 67/54
Faber-CastellGermany
Plastic and Sheet Metal
12.5 cmGeneral Purpose

Notes: "The ""Addiator"": A slide rule and an adding machine combined."


Image 1




Image 2