3 Rules to Measure Areas on Maps

3 Rules to Measure Areas on Maps

£300

Circa

1850

Country of manufacture

UK and Ireland

Categories: Calculating, Surveying Instruments & Mining

Description

3 boxwood rules in original pine box, two by Troughton and Simms, and one by Stanley. Instructions for use see images taken from ‘drawing and Measuring instruments, J. F. Heather 1884. All undated but c1850

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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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