2nd May, 2017 12:00
Maritime and Scientific Models, Instruments & Art ('Hibernia')
239
[M] Ø A 9¾IN. RADIUS VERNIER OCTANT BY D. FILBY,...
Ø A 9¾IN. RADIUS VERNIER OCTANT BY D. FILBY, HAMBURG, CIRCA 1840
the ebony frame inset with ivory maker's plate inscribed as per title and scale divided to 105º, braced brass index arm with vernier scale and clamp, threaded sighting tube port with swivel pinhole sight, five shades, two mirrors, and associated bone-topped pencil in cross bar, contained in keystone case with single tube -- 11¾in. (30cm.) wide
the ebony frame inset with ivory maker's plate inscribed as per title and scale divided to 105º, braced brass index arm with vernier scale and clamp, threaded sighting tube port with swivel pinhole sight, five shades, two mirrors, and associated bone-topped pencil in cross bar, contained in keystone case with single tube -- 11¾in. (30cm.) wide
Sold for £930
Estimated at £400 - £600
(inc. buyer's premium of 24%)
Ø A 9¾IN. RADIUS VERNIER OCTANT BY D. FILBY, HAMBURG, CIRCA 1840
the ebony frame inset with ivory maker's plate inscribed as per title and scale divided to 105º, braced brass index arm with vernier scale and clamp, threaded sighting tube port with swivel pinhole sight, five shades, two mirrors, and associated bone-topped pencil in cross bar, contained in keystone case with single tube -- 11¾in. (30cm.) wide
the ebony frame inset with ivory maker's plate inscribed as per title and scale divided to 105º, braced brass index arm with vernier scale and clamp, threaded sighting tube port with swivel pinhole sight, five shades, two mirrors, and associated bone-topped pencil in cross bar, contained in keystone case with single tube -- 11¾in. (30cm.) wide
Auction: Maritime and Scientific Models, Instruments & Art ('Hibernia'), 2nd May, 2017
