Details
A late 19th-Century lattice frame vernier sextant
constructed in brass, the silvered scale divided 5°- 0°- 145°, the arc engraved Manufactured for E & W.Seagrove Portsea, vernier with clamp and fine screw adjustment, swivel magnifier, four shades one cracked), two mirrors, telescope, wooden handleand brass feet, in fitted box with accessories, the lid with brass plate for H.M.S. MAGPIE. radius -- 7in. (18cm.)
constructed in brass, the silvered scale divided 5°- 0°- 145°, the arc engraved Manufactured for E & W.Seagrove Portsea, vernier with clamp and fine screw adjustment, swivel magnifier, four shades one cracked), two mirrors, telescope, wooden handleand brass feet, in fitted box with accessories, the lid with brass plate for H.M.S. MAGPIE. radius -- 7in. (18cm.)