Alexander Dumble | Custom Frequency Generator "For Experimental Use Only"Julien's Auctions4.1(82)$252 days Left
Rare Antique VOLTAMP Electric Motor Patent Applied For Scientific Demo Motor c1900Sphere Auctions LLC4.4(114)$10(1 bid)4 days Left
Antique Kent Dynamo Or Motor No. 8 Electric Motor Scientific Instrument Early 1900sSphere Auctions LLC4.4(114)$40(2 bids)4 days Left
Rare Antique AJAX demonstration Electric Motor Cast Iron Scientific Model c.1900Sphere Auctions LLC4.4(114)$10(1 bid)4 days Left
Vintage Model Airplane Gas Engine w/ Original Champion Spark Plug DisplaySphere Auctions LLC4.4(114)$50(2 bids)4 days Left
Antique “The Gem Electric Motor” Cast Iron Electric Motor Scientific DemonstrationSphere Auctions LLC4.4(114)$30(2 bids)4 days Left
Antique Open Frame demonstration Electric Motor Dynamo Scientific Apparatus c1900Sphere Auctions LLC4.4(114)$10(1 bid)4 days Left
Rare Antique “Little Hustler” Electric Motor Scientific Demonstration Toy MotorSphere Auctions LLC4.4(114)$10(1 bid)4 days Left
Rare WWI Antique Multigraph Co. G1 Addressograph Graphotype 6100 Dogtag MachineLodestar Auctions4.7(452)$50
