7.5 Inch Diamond and Diamond pattern Sextant by Spencer Browning& Rust
‘Spencer Browning& Rust’s improved sextant, London A vernier type Sextant, Diamond and Diamond pattern in brass and wood.
Type of object:
Sextant
Time period:
Britain rules the waves + France
Place:
London
Date:
1810
Maker / Author:
Spencer Browning& Rust
Publisher / Printer:
idem
Dimensions:
7.5 inch radius, 24 x 26 cm
Material:
brass, glass and wood. No box, no extra telescopes
Graduation:
0- 145°
Inscription:
Spencer Browning& Rust’s improved Sextant, London
Provenance:
The Elli Buk collection sold by Grogan & Company 25/4/2013 Dedham, Massachusetts, USA
References:
Description
4 shades & 3 horizon shades from later date. Magnifying lens from later date.
The inverted silver vernier scale and the simple magnifying glass is rare.
And the fact that it is called ‘ Improved Sextant’ does seems to be from before 1810
Additional information
Spencer & Browning, William and Samuel, started together at 1778 till 1784.
Spencer & Spencer Browning & Rust ( SMR) worked together from 1784 at different addresses on the Wapping High Street in Browning,
The company continued after the dead of Ebenezer Rust in 1840 as Spencer, Browning and Co.
The company ceased trading at 1884