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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU655Linear
68-1754
4394
n/a
Desk Slide RuleKeuffel & EsserUSA
970136
Engine divided celluloid laminated mahogany
"20"
1966
C5

Notes: Unbreakable indicator. This is the later version of the Merchant's Desk Slide Rule without the metal stands. Has K&E emblem on left side of conversion table and has pins in the frame opposite the screws. Serial number on the left back side of slide.

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