$588
Brass Miner's Dial / Theodolite by Newton, England, with 5 1/2-inch diameter silvered dial signed Newton late Wilton, St. Day, Cornwall , circumference scale and needle ring graduated 0-360 with vertical divisions on inner rim, steel needle, brass central hub with vernier operated from staff mount on the underside, brass lid, bubble-levels, interchangeable slide-on sights and vertical half-circle with 7 1/2-inch lg. telescope with extension eyepiece and two bubble-levels mounted on arm with anodized vernier, tangent-screw adjustment and clamp - ht. 12 1/2 in. , in fitted dovetailed mahogany case with maker's label of E.T. Newton & Son, (Late Wilton), Opticians, Mathematical Instruments, Chemical and Scientific Apparatus Manufacturers, Cross St., Cambridge, Cornwall, England ; and tripod.
Auctioneer:
Skinner
Date:
2005-05-03