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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU624Linear
4032
4053
Mannheim AdjustableKeuffel & EsserUSA
22
Engine divided celluloid laminated mahogany
"5"
1903
C6

Notes: "Magnifying indicator, otherwise same as 4031. No model number present. Company/city notation (KEUFFEL & ESSER Co. N.Y.) in middle of slide between B and C scales. Scales are as finely divided as the longer 10" model 4041 Mannheim Adjustable."

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