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12-inch Walnut Octant by Gilbert & Company

Auction:
2502
Lot:
517
Sold for:
$296$250

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Auction:
Clocks, Watches & Scientific Instruments - 2502
Location:
Marlborough
Date / Time :
May 01, 2010 10:00AM

Description:

12-inch Walnut Octant by Gilbert & Company, London, with brass index arm engraved Gilbert & Co. London and bone vernier engraved 0-20, bone scale calibrated 0-95 degrees, unmarked name plate, sun screens, horizon mirror and peep sight and turned brass feet.
Estimate $500-700

Brass and mahogany in old surface, peep sight bent, bone scale loose and minor losses on the vernier, vacant maker's plate probably replaced with surface anomolies surrounding the area.

Keywords

Gilbert & Company, London, Bone, Celestial navigation, Measuring instruments, Octant