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Combined Sector, Folding Square and Diagonal Scale, by Thomas Heath, London, c. 1720-50

Inventory Number: 37117
Object Type:
Persons: Thomas Heath
Date Created:
Place Created: London England United Kingdom Europe
Accession Number:
Brief Description: Sector on one side, diagonal scale on the reverse; 5 inch radius; with bevelled edges carrying scales of equal parts. This was presumably once part of a 4½ inch pocket set of instruments (a standard size of the period). The multiplicity of functions served by the instrument suggests that it might have been accompanied in a case by perhaps no more than a pair of compasses.
Primary Inscriptions: "Made by / T. Heath London"
Collection Group:
Material(s): Ivory and brass