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Circular Protractor, by J. Sisson, London, c. 1730

preview image for Circular Protractor, by J. Sisson, London, c. 1730
Inventory Number: 26702
Object Type:
Persons: J. Sisson
Date Created: c. 1730
Place Created: London England United Kingdom Europe
Accession Number: 1925-43
Brief Description: English circular protractor
Brass. Signed, "J. Sisson LONDON.". Undated; c.1730.

This instrument is divided to half-degrees. Jonathan Sisson (?1694-1749), a maker of optical and mathematical instruments, "was considered specially adept at the precise divisions of scales". (Taylor, Math. Pract., 306)
Primary Inscriptions: Signed, "J. Sisson LONDON."
Provenance: Lent by Christ Church, Oxford in 1925.
Collection Group: Orrery Collection
Dimensions:
Height Width Depth Diameter Unit
314 mm

Narratives

Image with multimedia irn 24352

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