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A 19th century lattice framed sextant
A brass lattice frame sextant with brass arc and inset steel scales divided 0°-150°. The vernier, also of brass, with screw clamp and fine screw adjustment, with magnifier reader on a swing arm, 7 shades, 2 mirrors, and sighting lens
9¾ x 10¾ in. (24.8 x 27.3 cm.)
A brass lattice frame sextant with brass arc and inset steel scales divided 0°-150°. The vernier, also of brass, with screw clamp and fine screw adjustment, with magnifier reader on a swing arm, 7 shades, 2 mirrors, and sighting lens
9¾ x 10¾ in. (24.8 x 27.3 cm.)