WORKING SCALE MODEL OF FAMOUS CIVIL WAR MORTARThomaston Place Auction Galleries4.4(427)$90(3 bids)4 days Left
18th century German bronze sundial/compass. Engraved numerals and scrolling ribbon decoration alongTremont Auctions4.6(313)$650(3 bids)Mar 01, 2026
Robert Bénard (1734–1777) – Technical Diagram of a Pivot Friction Testing Machine – EngravingDahlstroms Auctioneer4.2(11)€20Feb 25, 2026
Vintage Bruning-Wallace Drafting Machine Arm No. 16107 Made for U.S. Navy Bureau of Ships.Crawford Family Auctions LLC4.6(195)$20
Startling 19th C. British PERCUSSION ALARM GUN Brass Construction & Tripwire MechanismZevantiques4.5(128)$300Mar 28, 2026
