- Large Current-Generating Dynamo, c. 1910...
- 29 Early Carbon Filament Bulbs, 1900 onwards...
- Electric Motor and 2 Armature Models, c. 1910...
- 2 Early Electric Motors...
- 2 Power Generators...
- Needle Galvanometer by Siemens & Halske, c. 1...
- 3 Interesting Toy Electric Motors...
- 3 Small Electric Motors, c. 1920...
- 3 Interesting Electric Motors, c. 1920...
- Electric Motor Teaching and Experimental Set,...
- Eletromagnetic Motor with Geissler Tube, c. 1...
- 2 Early Electric Motors, c. 1895...
- Bright High-Wattage Light Bulbs, c. 1925...
- 3 Small Electromagnetic Motors, c. 1910...
- Cased Experimental Motor Set, c. 1910...
- Large Electric Motor on Heavy Iron Base, c. 1...
- Electromagnetic Motor with Geissler Tube, c. ...
- 2 Early Electric Motors, c. 1910...
- Large Electromagnetic Motor with Rotating Gei...
- Electric Motor with Rotating Geissler Tube, c...
- 2 Precision Galvanometers, c. 1900...
- Page's Electro Motor, c. 1920...
- Current Generating Dynamo, c. 1910...
- 2 Dynamo-Electrical Machines...
- Electromagnetic Motor with Geissler Tube, c. ...
- Novi Power Generator with Spotlight, c. 1920...
- 2 Induction Coils, c. 1905...
- Ruhmkorff-Pattern Spark Coil, c. 1920...
- Spark Gap Induction Coil...
- Induction Coil...
- Induction Coil for Physical Experiments, c. 1...
- Large Induction Coil with Mercury Interrupter...
- 2 Small Electromagnetic Motors, c. 1900...
- Group of Electric Devices...