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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU435Linear
4054
4145
1
Polyphase Mannheim AdjustableKeuffel & EsserUSA
138966
Engine divided celluloid laminated mahogany
"10"
1945
C5

Notes: Improved glass indicator. L scale on reverse of slide numbered 0 - 10.

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