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Octant made by W. R. Williams, Newport, RI, circa 1840

octant

INSTRUMENTS - OCTANTS
Williams, W. R.
USA, RI, Newport
circa 1840
LOA 12 in.

Octant with ebony frame, ivory nameplate marked "W.R. Williams 9 Dock St. Newport.", dated ca 1840. Limb ebony. Ivory scale graduated -2 deg. to 107 deg. by 1 deg. subdivided to 20'. Reinforced brass index arm. Ivory vernier. Adjustable index mirror with 3 adjustable shades. Horizon glass with screw lever adjustment and swivel shade. Sight vane double peep w/pivoted cover. Note plate on back of frame missing. Ivory-topped pencil in brace (missing 2/5/2004).


1976.59