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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

Image by Austin Neill

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

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