A 19th Century 11in.(28cm)radius ebony octant,  by Crighton, London.
Lot 110Y
A 19th Century 11in.(28cm)radius ebony octant, by Crighton, London.
Sold for £437 (US$ 734) inc. premium
Lot Details
A 19th Century 11in.(28cm)radius ebony octant, by Crighton, London.
Reading from -5 to 100 degrees on the ivory scale, the brass index arm fitted with a vernier reading to 20 seconds, marked on the frame Crichton London for A Dobbie Glasgow, fitted with brass pinnule sight, three sun and one horizon shade, in a keystone oak carrying case, bearing a trade plate for R J Keen, Liverpool.
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  1. Jon Baddeley
    Specialist - Scientific Instruments
    Bonhams
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    Montpelier Street
    London, SW7 1HH
    United Kingdom
    Work 0207 393 3872
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