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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU189Linear
D4053-3
4549
n/a
Polyphase Mannheim AdjustableKeuffel & EsserUSA
240292
Engine divided celluloid laminated mahogany
"10"
1958
C3

Notes: Narrow unbreakable indicator (plastic replaces glass window). Frame changed to molded plastic; rails remain mahogany. Conversion table changed to new K&E table. D in model number denotes the decimal divided trig scales. Notations removed on front.

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