Archive of Collections



Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU386Linear
4041
4658
2
Mannheim AdjustableKeuffel & EsserUSA
350
Engine divided celluloid laminated mahogany
"10"
1905
C6

Notes: Notches on back of slide rule changed to large notch on right end and small notch on left end.

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