$474
8-inch Radius Black Finish and Brass Sextant, Liverpool, brass scale engraved Made For John Bruce & Sons, Liverpool , calibrated 0-130, sliding index arm with vernier, thumb-screw, locking knob and magnifier, four shades, and horizon mirror, walnut handle, 8-in. sighting scope with additional, eyepieces, all in a finger-jointed box, label on inside lid stating in part The National Physical Laboratory, Certificate of Examination, 10 3/4 x 10 x 5 1/2 in., with a fitted leather-bound carrying case.
Auctioneer:
Skinner
Date:
2012-06-02