History of Science Museum: Collection Database Search

Record Details 2

Parallelogram Protractor, by John Rowley, London, c. 1700

preview image for Parallelogram Protractor, by John Rowley, London, c. 1700
Object is on display.
Inventory Number: 32319
Object Type:
Persons: John Rowley
Date Created: c. 1700
Place Created: London United Kingdom (England) Europe
Accession Number: 1925-43
Brief Description: English brass recipient angle or parallelogram semicircular protractor. Signed, "I. Rowley fecit"; undated; c.1700.

The semicircle is graduated from 0° to 180° in each direction, and this particular protractor is fitted with adjustable rulers. Instruments of this type were used in the plotting of fortifications.
Primary Inscriptions: Signed, "I. Rowley fecit"
Provenance: Lent by Christ Church, Oxford in 1925.
Collection Group: Orrery Collection


Image with multimedia irn 23212Image with multimedia irn 23214

Permalink: http://www.mhs.ox.ac.uk/object/inv/32319