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Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU070Linear
4083-3
4266
1
Log Log Duplex VectorKeuffel & EsserUSA
965627
Engine divided celluloid laminated mahogany
"10"
1943
C5

Notes: "Similar to 4081-3, with hyperbolic scales Th, Sh1, & Sh2 replacing DI and K scale on lower stator on back of sliderule. "

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