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A 9½' radius ebony octant by Cox, London, marked on ivory…
Sale Title:
Auction House:
Auction Location:
Auckland
Date:
16-Aug-2022
Lot No.
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Description:
A 9½' radius ebony octant by Cox, London, marked on ivory plaque on the crossbar; with ivory scale divided -3º to 107º; brass index arm; ivory vernier scale divided 0º-20 º; brass thumbscrew lock to back and screw adjuster to front; 3' telescope; brass mirror; four shades (blue, red, amber, green); horizon glass adjustment by lever and adjuster screw. Circa 1820.
Estimate:
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Price:
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Category:
Unclassified