Large 15 1/2 inch Octant Thomas Ripley
Thomas Ripley London for David Bartholomo Aug 23 .1774. rare Fiducial scale and wooden indexarm
Type of object:
Octant
Time period:
Britain rules the waves + France
Place:
London
Date:
1774
Maker / Author:
Thomas Ripley
Publisher / Printer:
idem
Dimensions:
15 1/2 inch radius, overall 18 inch high
Material:
Mahogany . Boxwood and Brass
Graduation:
0 - 90°
Inscription:
Made by Tho Ripley at Hermitage Bridge London For David Bartholomn, Aug 23 1774
Provenance:
David Bartholomn
References:
Sextants of Greenwich, pag 129, 069 octant by Ripley and son 1795
Description
15½IN. RADIUS MAHOGANY AND BOXWOOD FIDUCIAL OCTANT BY THOMAS RIPLEY, LONDON, 1774
the scale divided to 90º, wooden index arm with bone-edged reader, maker's plate inscribed ‘Made By Thos Ripley at ye Hermitage Bridge / LONDON / For David Bartholomo, Augt 23, 1774’, pinhole sights, interchangeable shades, mirrors and peg feet -- 18in. (45.5cm.) overall
One shadow replaced by plastic dark brown shade
Additional information