~WONDERFUL CIRCUMFERENTOR/HOLLOND CIRCLE by TROUGHTON AND SIMMS~
$2995 USD (2400 GBP) postage included
A fine 10 inch Hollond circle/circumferentor by Troughton and Simms c.1830
10 inch dia. x 6 inches high
Troughton and Simms
Country of manufacture
UK and Ireland
10 inch diameter, 6 inches tall with fully functional 5 inch compass on silvered dial with inset bubble levels set at 90 degrees and a compass rose surmounted by an engine divided 360 degree raised and silvered outer ring. All original with the exception of one replaced sighting vane hair. Not a screw out of place or bruised. Sympathecically cleaned (90% original lacquer). Outer ring finely divided in half degree increments with verniers on two of the vanes. Smooth rotation of the inner vanes. Locking screw to the blued compass needle. Signed “Troughton and Simms” in flowing script. Late Georgian design. No case. See all 20 photos please.
Ask the Dealer
Mark Hacking (Scientifica Opticae Inc.) has been an avid collector/dealer for over 30 years. A former Science teacher, he has an innate love for anything natural or mechanical. Specializing in optical (microscopes, telescopes), surveying, medical, weighing and drawing instruments, he is an active participant of the Scientific Instrument Fair in London. Living in Stratford, Ontario, Canada, with his wife and two children; Mark looks forward to meeting as many fellow collectors as possible, and has a worldwide following on eBay (Sciopti).
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