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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU030Linear
68-1100
4468
n/a
Deci-Lon 10Keuffel & EsserUSA
120329
Ivorite Precision Molded ABS
"10"
1963
C2

Notes: "Large, all plastic slide rule with expanded scale set over other popular models including eight Log Log scales for greater accuracy and two scales Sq1 & Sq2 which give greater accuracy when computing squares and square roots."

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