7½IN. RADIUS BRIDGE-FRAMED VERNIER SEXTANT BY JESSE RAMSDEN, LONDON, NO. 1227, CIRCA 1794

with lacquered-brass frame signed at the apex Ramsden London and numbered '1227' behind, the inset silvered scale divided to 130°, Vernier with lateral adjusting magnifier and rotating light prism, bridge-frame supporting adjustable sighting tube socket, mirrors and six shades, now mounted on pillar stand within glazed wooden box and presentation plate along top, with telescope's test certificates for 1902 and 1922, a privately written manuscript on vellum of the history of Jesse Ramsden along with a history of this instrument before presentation in 1921, both in full calf gilt embossed bindings -- 20 x 13½ x 14in. (51 x 34.5 x 35.5cm.)

The Honourable Company of Master Mariners.

Condition Report

original owner informs us in his history of the instrument that he had one mirror replaced, added the rotating glass prism and had the scale redivided by a London instrument maker, which he admitted was not quite as accurate as Ramsden's, when he mounted the instrument in this display case the original threaded wooden handle and stepped keystone case were disgarded, the certificates are foxed and have some losses

We are pleased to provide you with a general report of the condition of this property. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Charles Miller Ltd is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue. NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD “AS IS” IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE.