$504
Brass 7-inch Radius "Bell" Pattern Mark III Sextant by Heath & Company, New Eltham, London, silver inset scale and stamped below Heath & Co. Ltd. New Eltham, London , index arm with magnifier, vernier and thumbscrew lock, horizon mirror, Heath's Patent Definition Shade and 7 in. telescope with additional ocular and objectives all in a mahogany box with brass plaque stating W.J.C. Robertson RN and "National Physical Laboratory Certificate of Examination" card.

Auctioneer:
Skinner
Date:
2009-07-25