Ø AN EARLY 19TH-CENTURY 12IN. RADIUS VERNIER OCTANT BY ALEXANDER, YARMOUTH WITH SCALE BY SPENCER, BROWNING & RUST, LONDON
ebony frame with ivory plate and scales signed Alexander Yarmouth with later retail signature for H. DUREN, NEW YORK, scale with 'SBR' stamp by 50º, divided to 100º, brass index arm with Vernier, pinhole sights, interchangeable shades, brass feet and note plate, contained in period stepped keystone case with retailer's label for 'F.W. Lincoln JR & CO. BOSTON' -- 15in. (38cm.) diameter

Another Alexander of Yarmouth octant is in the National Collection at Greenwich (NAV1314), also with a scale by Spencer, Browning & Rust.

Condition Report
Some shrinkage to main scale; Vernier chipped lower right; pencil missing; pinhole sight retained by later screw; secondary pinhole sight missing (lower left); box is in good overall condition with no obvious issues, but lid seems to be stripped of original painted finish.

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.