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Slide Rule, by John Rowley, London, c. 1700

preview image for Slide Rule, by John Rowley, London, c. 1700
Object is on display.
Inventory Number: 27956
Object Type:
Persons: John Rowley
Date Created:
Place Created: London United Kingdom (England) Europe
Accession Number: 1925-43
Brief Description: English 9-inch slide rule
Ivory and brass. Signed, "I: Rowley. fec:"; Undated; c.1700

The rule was described by Thomas Wright in his catalogue of the Orrery Collection (1731) as "A 9 inch Ivory Sliding Gunter". The scales marked are M[eridian line], S[ines], T[angents], E[qual] P[arts], N[umbers] and C[hords].
Primary Inscriptions: Signed, "I: Rowley. fec:"
Provenance: Lent by Christ Church, Oxford in 1925.
Collection Group: Orrery Collection
Material(s): Ivory and brass
Height Width Depth Diameter Unit
230 mm


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