Archive of Collections



Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU196Linear
4088-2
4299
n/a
Polyphase DuplexKeuffel & EsserUSA
316698
Engine divided celluloid laminated mahogany
"8"
1929
C4

Notes: Indicator changed to improved glass indicator. Note: may be a replacement indicator given serial number/date of this slide rule.

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