| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 7B35.00 | Electron Properties | | |
| 7B35.10 | discharge at low pressures | PIRA 1000 | |
| 7B35.10 | discharge at low pressure | TPT 2(4),178 | Lower the pressure with a cooling bath while running the discharge tube with a spark coil. |
| 7B35.10 | Crookes tube | Ep-7 | Evacuate a glass tube while a high voltage is applied to electrodes at the ends of the tube. |
| 7B35.10 | discharge tube and vacuum pump | Disc 25-05 | Pump down a long tube while applying a high voltage across the ends. |
| 7B35.20 | Paschen's law of gas discharge | 30-4.1 | Pump down a double tube assembly with electrodes at different distances with a constant voltage on each set of electrodes. |
| 7B35.40 | Maltese cross | PIRA 1000 | |
| 7B35.40 | Maltese cross | Ep-10 | An electron beam produces a shadow of a Maltese cross on a fluorescent screen |
| 7B35.40 | electron discharge tube with cross | Disc 25-04 | Show the shadow of a Maltese cross in an electron discharge tube. |
| 7B35.50 | paddle wheel | PIRA 1000 | |
| 7B35.50 | paddlewheel | Ep-9 | I don't have a category for this. |
| 7B35.50 | electron discharge tube with wheel | Disc 17-17 | The commercial Crookes' tube with a paddlewheel. |
| 7B35.70 | hot and cold cathode discharge | 30-4.2 | Electrodes that can be water cooled are used to strike arcs cooled and uncooled. |
| 7B35.71 | arc characteristics | 30-1.5 | An arc struck between a carbon rod and an aluminum plate will go out if the polarity is reversed. |
| 7B35.75 | plasma tube | PIRA 1000 | |
| 7B35.75 | plasma tube | Disc 25-06 | Bring the hand near a commercial plasma tube. |