- 4 Interesting Physical Demonstration Models, ...
- 2 Chrome Acid Cells...
- Leybold X-Ray Tube, c. 1910...
- 2 Electrostatic Induction Demonstration Model...
- 10 Geißler Tubes, c. 1900...
- Large Experimental Electric Motor, 1871 onwar...
- Electrophysical Demonstration Model, c. 1890...
- French Demonstration Model by Ducretet, c. 18...
- Electric Motor with Rotating Geißler Tubes, c...
- "Geißler Tube" Demonstration Model...
- 7 Electron Tubes...
- Large Geißler Tube, c. 1900...
- Static Charge Demonstration Model...
- English Brass Plate Sundial, 19th Century...
- Large Induction Coil According to Ruhmkorff, ...
- Large Wimshurst's Electrostatic Machine, c. 1...
- Abel's Petroleum Tester, c. 1885...
- Large Nairne-Type Electrostatic Generator, c....