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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU073Linear
4088-3
4304
n/a
Polyphase DuplexKeuffel & EsserUSA
518733
Engine divided celluloid laminated mahogany
"10"
1936
C3

Notes: "Improved glass indicator. Patent notation moved between company/city notation and MADE IN U.S.A. and changed to patent number (i.e PAT. 1,930,832)."

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