Octant

octant and case

Octant, frame ebony, inlaid ivory nameplate etched "PARNELL. LONDON", reinforced bronze limb, inlaid ivory scale graduated -2 deg. 40' to +100 deg. subdivided to 20' & inlaid ivory vernier (ivory replacement), adjustable index mirror w/3 shades, horizon glass w/lever adjustment & shades from index mirror, sight vane w/double peep & pivoted cover, inlaid note plate on back missing, 2 brass legs, a third leg under peep missing, pencil hole in brace, pencil missing. In stepped keystone case w/initials on cover "CLR"(?), blue paper label glued to inside of cover reads "SAMUEL THAXTER & SON,/ IMPORTERS AND DEALERS IN/ Nautical and Mathematical Instruments,/ No. 125/ STATE ST./ BOSTON./ Sextants, Quadrants, Compasses, Spy Glasses, Barometers, Ther-/ mometers, Surveying and Gauging Instruments./ CHARTS AND NAUTICAL BOOKS./ Personal. . ."