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Keuffel and Esser Mannheim Slide Rule, 12" linear.

Major collection: Science & Technology
Object type: slide rule
Maker: Keuffel & Esser Co.
Date made: 1908
Measurements: 12 in

Mannheim Slide Rule in case. Patent June 5, 1900, made Dec. 22, 1908. 12" linear.


1984.058.003

Gift of Cynthia Beaver