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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU067Linear
4083-3
4272
n/a
Log Log Duplex VectorKeuffel & EsserUSA
800512
Engine divided celluloid laminated mahogany
"10"
1953
C5

Notes: "Major scale change: Sh1, Sh2, & Th scales moved to upper stator on back of slide rule; L scale removed; LL01 and LL1 moved to lower stator on back of slide rule and DI scale added below D scale. N removed from model number."

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