Rare Perret Bipolar Electric Motor c. 1889 on Oak BaseSphere Auctions LLC4.5(153)US$560(6 bids)Aug 23, 2026
Willys Knight Sleeve Valve Piston Cut Away Working Model Salesman SampleBastute Auctions4.4(12)US$250(3 bids)Aug 19, 2026
Antique Ring-Field Dynamo Magneto Electrical Apparatus c. 1885–1915Sphere Auctions LLC4.5(153)US$10(1 bid)Aug 23, 2026
WESTERN ELECTRIC TELEPHONE AND RINGER BOXHartzell's Auction Gallery, Inc.4.7(1.5k)US$60(3 bids)Aug 23, 2026
