$1,968
English Brass Universal Equinoctial Ring Dial, 18th/19th century, meridian ring divided 0-90-0 on one side with 0-90 declination scale on the other, sliding bridge and suspension loop with tightening screw, equinoctial ring divided I-XII-I, bridge with sliding pinhole and Zodiacal calendar scale, dia. 5 1/4 in.
Auctioneer:
Skinner
Date:
2015-10-31