Archive of Collections



Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU129Linear
4031
4051
2
Mannheim AdjustableKeuffel & EsserUSA
92042
Engine divided celluloid laminated mahogany
"5"
1924
C4

Notes: Logarithm scale on reverse of slide changed from 10 to 1 (increasing to left with ends of scale unnumbered) to 1 to 10 (increasing to right with both ends of scale numbered).

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