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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU363Linear
N4053-5
4136
n/a
Polyphase Mannheim AdjustableKeuffel & EsserUSA
676832
Engine divided celluloid laminated mahogany
"20"
1939
C5

Notes: "Improved glass indicator. Order of notations changed with patent notation moving to middle and changed to PAT. 1,934,232. Note this specimen is either experimental or a factory reject as it has both ends both ends extended more than normal."

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