Object Name: octant
Inventory Number: 1996-1-0141
Dimensions: 24.3 x 21.9 x 10.3 cm (9 9/16 x 8 5/8 x 4 1/16 in.)
case: 12.2 x 27.8 x 28.2 cm (4 13/16 x 10 15/16 x 11 1/8 in.)
Description: Corroded brass octant with an ebony handle and three tall feet. Ribbed index arm, with clamping screw and tangent screw. The radius is 7.75". The limb has an ivory scale divided -2° - 117° every 20' with an ivory vernier, 0-20' every 1/2'. The vernier is cracked. There is a reading microscope mounted on the index arm.
The octant has 3 index shades, 2 horizon shades, a horizon glass, and a telescopic sight. The fitted case has a slot for another sight, which is not present.
Keystone mahogany box. Fittings in box are loose. Pasted in the lid is the trade card of H. Duren, New York.
There are chalk marks on the exterior of the box.
Accessories: case, telescopic sight
Signed: inscribed on frame: Mrs. Janet Taylor 104 Minories
on tradecard pasted in lid: From H. DUREN, / DEALER IN / NAUTICAL INSTRUMENTS, / 39 BURLING SLIP, / Opposite Fulton Ferry, One door from South St. / NEW YORK.
Inscribed: on tradecard pasted in lid: From H. DUREN, / DEALER IN / NAUTICAL INSTRUMENTS, / 39 BURLING SLIP, / Opposite Fulton Ferry, One door from South St. / NEW YORK. / Chronometers, Sextants, Quadrants, Telescopes, Compasses, Log Glass / Barometers cleaned and repaired/ on reasonable terms. Nautical Books and / Charts. Second-hand Quadrants from $5 up. Old Instruments bought / or exchanged. [pointing hand] Clocks and Watches carefully repaired.
Historical Attributes: Used for teaching navigation at Bowdoin College.
Provenance: Physics Department, Bowdoin College, Brunswick, Maine; gift to CHSI in 1991 through agency of Professor Elroy La Casce.