Rare Perret Bipolar Electric Motor c. 1889 on Oak BaseSphere Auctions LLC4.4(148)$160(4 bids)Aug 23, 2026
Antique Ring-Field Dynamo Magneto Electrical Apparatus c. 1885–1915Sphere Auctions LLC4.4(148)$10(1 bid)Aug 23, 2026
Antique K&D Porter Motor No. 1 Electric Toy Motor c.1897-1905Sphere Auctions LLC4.4(148)$30(2 bids)Aug 23, 2026
Group of telegraph equipment including Vibroplex Bug telegraph key No. 84076. J.H. Bunnell telegraphRail & Road Auctions4.6(177)$20Aug 14, 2026
