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Type | Model No. | Maker | Country | Construction Material | Date | Scale Length | Area of Use |
Linear | 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.
A PDF Manual is available. Please click HERE.
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