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Keuffel and Esser Triangular slide rule for use with Goodchild Mathematical Chart 4019B triangular rule

Major collection: Science & Technology
Named collection: Keuffel & Esser Company Collection
Object type: slide rule
Maker: Keuffel & Esser Co.
Place made: United States, New York
Materials: boxwood
Measurements: 3/4 in x 13 1/2 in x 3/4 in
Goodchild Mathematical Chart information from 1906 K&E Catalog

Keuffel & Esser Company Slide Rule Collection Donated by InteliCoat Technologies

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