Keuffel and Esser Mannheim Slide Rule

Keuffel and Esser Mannheim Slide Rule

£90

Dimensions

Ten inches

Circa

1900

Maker

Keuffel and Esser

Country of manufacture

North America

Categories: Scientific, Calculating

Description

A good example of a Keuffel and Esser Slide rule in all original packaging. Patented 5 June 1900, and in excellent condition

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Dealer information

GB Fletcher

Fletcher Wallis

Fletcher Wallis sells objects and books relating to the history of science, medicine and technology Arcade. He publishes books through Vernier Press, including Antique Medicine Chests, and Corkscrew Patents from 1795. He has been dealing for forty eight years.

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