Octant made by Solomon Marks & Co., Cardiff, Wales, circa 1850?

octant

INSTRUMENTS - OCTANTS
Solomon Marks & Co.
GREAT BRITAIN, Wales, Cardiff
circa 1850?
4-1/2 x 12 x 9-3/4 in.

Octant, ebony frame, reinforced brass index arm, dated ca 1850?; inlaid ivory scale and vernier scale; 4 shades (one missing glass); telescope mount; horizon glass; 3 brass legs; fixed wooden handle; ivory scale graduated -5 to +108 by 1 subdivided to 20'; ivory nameplate engraved "SOLOMON/ MARKS & Co" and "BUTE DOCK/ CARDIFF".

1988.107.38