E. R. Watts & Son Brass Scope, London, 10-in. sighting scope marked in part, E.R. Watts & Son Ltd. London, No. 60859 , with a 1 1/2-in. lens, knurled horizontal and vertical adjustment knobs, bubble level with a hinged mirror, adjustable sun cap, and tripod attachment.
Auctioneer:
Skinner
Date:
2013-05-23
Large Cased E.R. Watts & Son Brass Clinometer, London, 1941, ht. 6 1/4 in. Estimate $150-250 Items may have wear and tear, imperfections, or the Read more…
Auctioneer:
Skinner
Date:
2019-09-18
L. Casella Pocket Altazimuth and an E.R. Watts & Son Range Finder, London, late 19th and early 20th century, brass altazimuth with 1 3/4-in. dia. Read more…
Auctioneer:
Skinner
Date:
2015-04-21
Five Objects of Science and Technology, including a watchmaker's staking set and carrying case, a Cotton Type MK II Range Finder by E.R. Watts & Read more…
Auctioneer:
Skinner
Date:
2010-05-01
