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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU138Linear
4081-5
4609
n/a
Log Log Duplex DecitrigKeuffel & EsserUSA
484037
Engine divided celluloid laminated mahogany
"20"
1960
C6

Notes: "SRT scale replaces ST scale on reverse of slide. Patent number 2,500,480 replaces 1,930,852."

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