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Keuffel and Esser Thacher's Calculating Instrument 1740 cylindrical

Major collection: Science & Technology
Object type: slide rule
Maker: Keuffel & Esser Co.
Date made: 1891-1899
Materials: wood; metal
Nomenclature: data processing tools and equipment - slide rules
Classification: tools and equipment

Manufacturers no: 1740/592

More information: Model 1740 Catalog Pages

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