Description:

A SPENCER, BROWNING & CO. VICTORIAN EBONY, BONE, AND BRASS NAVIGATOR'S OCTANT, LONDON, 1850-1860, with ebony "A" form frame fitted with bone plaque engraved "Spencer, Browning & Co London" and later "1795" over engraved bone scale calibrated 0 to 120 and bearing manufacturer's initials "SBR" for Spencer Browning & Co., fitted with brass vernier with angled correction slope and tangent screw continuing into the swinging brass index arm and etched index mirror with clips, with double pin hole peep sight, and three filters (two fitted with red glass and one green), horizon glass, back sight vane, and back horizon glass, raised on three baton form legs. Height: 11 7/8" Width: 9 5/8" Depth: 3 5/8"

  • Condition: In overall good condition with yellowing of bone plaques, rubbing of inked markings on plaques, overall strong original patina to brass, a rectangular plaque missing on the backside of the frame.

    Simpson Galleries strongly encourages in-person inspection of items by the bidder. Statements by Simpson Galleries regarding the condition of objects are for guidance only and should not be relied upon as statements of fact and do not constitute a representation, warranty, or assumption of liability by Simpson Galleries. All lots offered are sold "AS IS."

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May 19, 2018 1:00 PM CDT
Houston, TX, US

Simpson Galleries, LLC

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Bid Increments
From: To: Increments:
$0 $499 $25
$500 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 $199,999 $10,000
$200,000 + $25,000