A 12ins.(31cm)radius Ebony Octant,
Lot 1
A 12ins.(31cm)radius Ebony Octant,
Sold for £625 (US$ 1,050) inc. premium
Auction Details
A 12ins.(31cm)radius Ebony Octant,
Lot Details
A 12ins.(31cm)radius Ebony Octant,
by Spencer Browning & Rust, London. Reading from -5 to 95 degrees on the engraved ivory scale, the brass index arm fitted with a vernier to 20 seconds. With brass pinnule sight and back sight, horizon and back mirror, three sun shades. The frame with ivory topped pencil and rear notation plate. In an oak, stepped keystone case, bearing a Trade Plate for DM McGreggor & Co. Glasgow.

Footnotes

  • Spencer, Browning and Rust, at 327 and 66 Wapping, London. Active between 1784-1816.
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