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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU161Linear
68-1749
4369
n/a
Desk Slide RuleKeuffel & EsserUSA
580048
Engine divided celluloid laminated mahogany
"20"
1961
C5

Notes: "Model number changed to new designation (i.e. 68 for slide rule, 1775 for unique model number). "

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