$2,091
Surveyor's Theodolite by L. Casella with Burt's Patent Solar Attachment, London, no. 5191, brass and gunmetal finish, 2 1/4-in. silvered dial signed L. Casella, London, 5191 , needle ring calibrated 0-360, cardinal points in block lettering, horizontal plate with dual verniers and magnifiers, twin "A"-frames supporting a 12-in. telescope and silvered half circle calibrated 0-100 in two quadrants, the solar attachment with horizontal silvered hour circle calibrated 0-12 in two quadrants and 4 1/2-in. declination arc with vernier read-out, tri-foot leveling base and walnut fitted carrying case and accessories, with wood tripod, instrument ht. 14 in.
Auctioneer:
Skinner
Date:
2015-10-31