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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Linear
Keuffel & Esser N-4096
Keuffel & Esser
USA
Celluloid on Mahogany
about 1958
50 cm
Commerce
Notes:
"Serial number 434221. Marketed as a merchants' slide rule. Five scales only: C, D, CI, CF and DF. Comes with metal feet so rule is convenienltly oriented for regular use on a store counter."
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