$764
Polished Brass Semi-Circumferentor by J. Hale, Patd. Mar. 10. 1886 , No. 38, with 11-inch diameter protractor divided 0-90-0 , alidade with bubble-level, vernier with clamp and folding sights, on ball-and-socket staff mount, in fitted ebonized case (lid split), lg. 14 in.
Auctioneer:
Skinner
Date:
2005-05-03