Archive of Collections



Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU569Linear
4053-5
4712
n/a
Polyphase Mannheim AdjustableKeuffel & EsserUSA
509831
Engine divided celluloid laminated mahogany
"20"
1961
C4

Notes: Narrow unbreakable indicator (plastic window in place of glass). Model number change to 4053-5.

Click on the Condition Code to obtain more details.