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Large 12 inch radius Sextant of Dollond

Large brass 12inch radius Sextant of Dollond with a index mirror with Maskylene's flap.

Type of object:

Sextant

Time period:

Britain rules the waves + France

Place:

England

Date:

1785

Maker / Author:

Dollond

Publisher / Printer:

Dollond St Pauls London

Dimensions:

33 x 38 cm overall, 12 inch radius

Material:

Brass, no box

Graduation:

0-130°

Inscription:

Dollond London

Provenance:

Fr. Clemens Collection
Charles miller

References:

Sextants at Greenwich pag 168
Taking the Stars, Peter Ifland: pag 72 Macskelyne’s flap: Pag 57 Type B Vernier ( after 1780)

Image by Austin Neill

Description

A LATE 18TH-CENTURY 11½IN. RADIUS SEXTANT BY DOLLOND, LONDON, with diamond-pattern oxidised brass frame, polished arc divided to 130°, signed on the index arm Dollond London, magnifier with shade ring, index mirror with Maskylene's flap, accessory, sighting tube, shades, rosewood handle and brass pin feet ,

Additional information

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