Clark’s Computer for the Conversion of the Decimal Parts of anAcre into Rods and Perches

Clark’s Computer for the Conversion of the Decimal Parts of anAcre into Rods and Perches

£100

Dimensions

3.5 inches diameter

Circa

1890

Country of manufacture

UK and Ireland

Category: Calculating

Description

An interesting and uncommon ready reckoner for converting parts of an acre into rods and perches and into square yards or vice versa. Signed on the radial indicator for ‘St. Peter’s Churchyard, Chester, Patent No. 249784. In original Card box.

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GB Fletcher

Fletcher Wallis

Fletcher Wallis sells objects and books relating to the history of science, medicine and technology from his unit at Admiral Vernon Arcade Portobello Road. He publishes books through Vernier Press, including Antique Medicine Chests, and Corkscrew Patents from 1795. He has been dealing for thirty five years.

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