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Octant, circa 1780
octant
INSTRUMENTS - OCTANTScirca 1780
overall: 2 1/4 x 18 1/4 x 14 1/4 in.
Octant, unknown maker, ca. 1780, ebony frame broken; brass index arm with engraved bird and floral design; inlaid ivory scale and vernier scale; inlaid ivory nameplate, blank; ivory note pad missing from back; pencil missing; shades, mirror horizon glass and telescope missing; scale graduated below 0 (end broken off) to +95 by 1 subdivided by 20'.
1988.107.39