Previous Record Next Record
Switch Views: Lightbox | Image List | List
Octant and case, Spencer, Browning & Rust, circa 1790
octant; octant case
INSTRUMENTS - OCTANTSSpencer, Browning & Rust
England, London
circa 1790
overall: 15 3/4 in.
Octant of Capt. George S. Perry. Ebony frame. Ivory nameplate marked "Spencer, Browning & Rust London". Ebony limb, ivory scale marked, "SBR", graduated -2 deg. to 99 deg. by 1 deg. subdivided to 20'. Flat brass index arm. Ivory vernier. Adjustable index mirror with three removable shades. Horizon glass with lever adjustment and shades from index mirror. Single peep sight vane. Back sight missing. Back horizon with lever adjustment. Two brass legs missing. Note plate on back of frame missing. Pencil hole in brace. Step box, one end missing. Circa 1790.
1954.39