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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU302Linear
4095
4697
1
Merchant'sKeuffel & EsserUSA
91
Engine divided celluloid laminated mahogany
"10"
1922
C5

Notes: MADE IN U.S.A. added to notations below D scale. N added to model number (i.e. N<4095>) although catalog still lists as 4095. Celluloid lamination added to edge of slide rule.

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