Antique “The Gem Electric Motor” Cast Iron Electric Motor Scientific DemonstrationSphere Auctions LLC4.3(106)$10(1 bid)Jun 01, 2026
Antique Early Electric Motor Dynamo Physics Laboratory Apparatus c.1900Sphere Auctions LLC4.3(106)$10Jun 01, 2026
HAWEKOTTE & KLAUSMANN TOY STEAM ELECTROMAGNETIC ENGINE MOTOR GENERATORSphere Auctions LLC4.3(106)$10(1 bid)Jun 01, 2026
1900’s H & K Bipolar TOY MOTOR ORIGINAL CAST IRON ANTIQUE ELECTRIC MOTORSphere Auctions LLC4.3(106)$10(1 bid)Jun 01, 2026
Antique Dynamo Telegraph Relay by L.E. Knott Apparatus Co Boston No. 97-17Sphere Auctions LLC4.3(106)$10Jun 01, 2026
Edison Amberola Cylinder PhonographTwo Feathers Antiques & Auction Services / Schillaci & Shultis4.5(88)$50Jun 06, 2026
Hot Air Engine ModelTwo Feathers Antiques & Auction Services / Schillaci & Shultis4.5(88)$30(2 bids)Jun 06, 2026
