Archive of Collections



Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU207Linear
68-1434
4573
n/a
Log Log Duplex VectorKeuffel & EsserUSA
671869
Engine divided celluloid laminated mahogany
"10"
1962
C5

Notes: "Model number changed to new designation (i.e. 68 for slide rule, 1434 for unique model number). Improved glass indicator changed to unbreakable indicator (plastic window)."

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