329

Circa 1860

EBONY OCTANT

By John Crichton (Glasgow, fl. 1831-1865). Signed "Made for A. Dobbie by Crichton, London and Glasgow". Frame with inlaid ivory scale, which measures an arc of 105 degrees, and a smaller vernier scale on the index arm, making very accurate measurements possible. Also with clamping and a tangent screw for fine adjustments, two sets of filters, a viewing tube for sighting and a handle. Shaped mahogany box with trade label of J.R. Cameron, Liverpool.
Octant length 12". Width 9.5". Box height 5". Width 12". Depth 13".
Condition: This item not available for international delivery. Please be aware of your state and local regulations and bid accordingly.

  • Provenance:
    Sotheby's, London, October 1986.
    The Kelton Collection of Marine Art & Artifacts.

    Notes:
    John Crichton was instrument maker to the East India Company.

Shipping Options

Invaluable Shipping

  • Expert Care packing and Shipping
  • Shipment Protection
  • Real-time tracking

Arrange your own

  • You will coordinate with us to arrange your own shipping

Local pickup

  • You will coordinate with us and arrange pick up time after payment.

Accepted Forms of Payment:

American Express, Discover, MasterCard, Money Order / Cashiers Check, Personal Check, Visa, Wire Transfer

February 24, 2022 9:30 AM EST
East Dennis, MA, US

Eldred's

You agree to pay a buyer’s premium, as outlined below, and any applicable taxes and shipping.
Buyer's Premium
$0 - $499,999:
25.00%
$500,000+:
10.00%

View full terms and conditions

Bid Increments
From: To: Increments:
$0 $49 $5
$50 $99 $10
$100 $499 $25
$500 $999 $50
$1,000 $2,999 $100
$3,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $29,999 $1,000
$30,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 + $10,000