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Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU652Linear
4098A
4378
2
Pocket Slide RuleKeuffel & EsserUSA
71413
Engine Divided White Xylonite
"5"
1944
C5

Notes: "Same scale set as K&E 4041 Mannheim slide rule. Indicator is a frameless xylonite plastic on plastic slides. Model number, KEUFFEL & ESSER CO. N.Y., and MADE IN U.S.A. are all in black ink."

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