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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU316Linear
4051
4087
n/a
Mannheim AdjustableKeuffel & EsserUSA
50
Engine divided celluloid laminated mahogany
"20"
1906
C5

Notes: Metal framed glass indicator. KEUFFEL & ESSER CO. N.Y. moved below D scale and patent notation added. Model number added to left end of slide. Pi (? ) gauge mark added.

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