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A cased mercury trough type artificial horizon by John Crichton,…
Auction House:
Auction Location:
Melbourne
Date:
11-Jul-2021
Lot No.
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Description:
A cased mercury trough type artificial horizon by John Crichton, London, circa 1851, the mahogany box with brass hook and eye fasteners, metal and glass instrument, boxwood bottle with bone threaded funnel, label affixed inside lid reads 'John Crichton manufacture of Mathematical, Optical & nautical instruments; the the Honb: East India Company, & to the Honb: Corp.n of the Trinity house. 112 Leadenhall Street, London.' 'Great exhibition of 1851; prize medal for Sextants and drawing Instruments', the case 12.5 cm high, 19 cm wide, 14 cm deep
Estimate:
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Price:
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Category:
Industry Science & Technology: Optical - zOther