RARE RAMSDEN PATTERN BRIDGE-FRAME SEXTANT BY NATHANIEL WORTHINGTON
London, Circa 1850
Signed on the radius arc "Worthington London". Double blackened brass frame and "bridge" built up over the frame, brass arc inset with a silver scale, blackened brass index arm with magnifier, worm screw adjustment, vernier, clamping and tangent screws, two sets of colored filters, lignum vitae handle and three feet on the back side. Includes four telescopes and eyepiece with additional filters. Within a shaped mahogany box with a hinged lid.
Sextant length 10.25". Width of arc 11". Box height 5.25". Width 13". Length 12".
Provenance
Sotheby's, London, Scientific and Medical Instrument Auction, February 1986.
The Kelton Collection of Marine Art & Artifacts.

Overall excellent condition, wear to the surfaces of the blackening, interior and exterior of the box as to be expected from age and use.

The absence of a condition report does not imply an object is free of defects. All items may have normal signs of age and wear commensurate with their
age; these issues will likely not be mentioned in the condition report. Please contact Eldred's before the auction with any condition questions. Questions about condition will not be answered after purchase. Condition reports are provided as a courtesy, and we are not responsible for any errors or omissions. Important note on frames: Frames are not guaranteed to be in the same condition as they are in the item photograph. Due to handling and shipping, many frames, especially antique ones, are prone to losses. If you have questions about the condition of a frame, please contact us prior to the auction.