Details
An early 19th-Century ebony and brass octant,
unsigned, with bone scales, telescope, and mirrors, the index arm radius -- 10in. (25.4cm.), with tangent screw fine adjustment and clamp (shades missing)
unsigned, with bone scales, telescope, and mirrors, the index arm radius -- 10in. (25.4cm.), with tangent screw fine adjustment and clamp (shades missing)