435: SURVEYOR'S PLANE TABLE WITH RULE, ALIDADE, LEVELS, ETC

The collection of antique surveying instruments includes two plane tables on tripod stands, one branded U.S. Sketching Board, Model 1913, made by Burke and James Co. Plus a Plane table with circa 1800 six-fold surveyor's plane table rule bound in brass and divided on both sides, a brass alidade in later box, associated levels and plumb bob type piece.
Measures 31.5 x 12.5 x 15 and 56 x 16.5 x 13.5 inches.
Very good original condition throughout, free from damage or repair.
Provenance: The estate of a collector active in Historical Re-enactment, Surveying the Frontier, Scientific Instruments. Lewis and Clark.
$300 - $400