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Details and Image



Item#TypeModel No.Match No.Variant No.Model NameMakerCountryProduction or Serial No.MaterialScale LengthDateCondition
KEU537Linear
N4053-3F
4708
n/a
Polyphase Mannheim AdjustableKeuffel & EsserUSA
173196
Engine divided celluloid laminated mahogany
"10"
1926
C5

Notes: "Frameless glass indicator with celluloid/plastic guides. Graduated as fine as 20" rule.Conversion table changed to USBS Circular 47 version with notation below table. Font of front side notations above A scale increased. 0 added to left end of L scale."

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