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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)
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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