Skinner

Auctioneers and Appraisers

Brass Circumferentor by Thomas Blunt

Auction:
2314
Lot:
582
Sold for:
$881$750

social_share

Inquire

Tabs

About

Auction:
Clocks, Watches & Scientific Instruments - 2314
Location:
Bolton
Date / Time :
November 03, 2005 10:00AM

Description:

Brass Circumferentor by Thomas Blunt, the 3 3/4-inch silvered dial signed T. Blunt, Cornhill, London, with foliate-engraved cardinal points in eight-point rose, inset brass-capped vial, needle ring divided 0-360, steel needle with clamp set from the side, rotating alidade with vernier and two slide-on sights, and brass socket mount, dia. 9 1/2 in.

Thomas Blunt is listed as an optician and maker of mathematical instruments at 22 Cornhill from 1760-1822. He was succeeded in business by his son, also Thomas, who operated from the same address.
Estimate $1,000-1,500

Keywords

Thomas Blunt, London, steel needle, Alidade, Circumferentor, Measuring instruments