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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU260Linear
68-1775
4345
n/a
Merchant'sKeuffel & EsserUSA
130041
Engine divided celluloid laminated mahogany
"10"
1969
C3

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

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