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Keuffel and Esser Log Log Duplex Decitrig Plastic 4181-1 5" Linear slide rule

Major collection: Science & Technology
Object type: slide rule
Maker: Keuffel & Esser Co.
Measurements: 1/4 in x 7 in x 1 1/2 in
Nomenclature: data processing tools and equipment - slide rules
Classification: tools and equipment
More information: Model 4181-1 Catalog Pages

Gift of Mrs. William W. Buechner

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