| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 5M20.00 | Tubes | | |
| 5M20.10 | glow discharge | PIRA 1000 | |
| 5M20.10 | glow discharge | A-12 | Various discharge phenomena are described from atmospheric to high vacuum. |
| 5M20.10 | glow-discharge tube | A-11 | The pressure is reduced on a large tube while high voltage dc is applied to the electrodes. |
| 5M20.10 | gaseous discharge tube | A-2c | Pump down a long discharge tube to show Crookes' dark space, negative glow, Faraday dark space, striations, etc. |
| 5M20.12 | potential required for glow discharg | A-14 | Show the minimum voltage for a neon glow tube to discharge. |
| 5M20.15 | thermionic effect | A-78 | Use a tube to show the thermionic effect in a vacuum. |
| 5M20.20 | special purpose discharge tubes | PIRA 1000 | |
| 5M20.20 | special-purpose discharge tubes | A-13 | Gas discharge tubes for spectra, fluorescence of minerals, line tubes, paddle wheel, etc. are mentioned. |
| 5M20.20 | five cathode ray tubes | A-2a | Special tubes that demonstrate five properties of cathode rays. |
| 5M20.25 | electron beams | A-18 | A tube with a replaceable lime spot (or barium, strontium, and calcium oxides) hot cathode gives a brilliant beam. Diagram. |
| 5M20.28 | electron focusing | A-21 | Three types of focusing of the beam: residual gas, electrostatic, and magnetic. |
| 5M20.30 | gas filled tubes - two element type | A-87 | A circuit for demonstrating the mercury-vapor rectifier tube. |
| 5M20.31 | hot-cathode discharges | A-16 | The Tungar rectifier bulb and the phanotron mercury-vapor rectifier illustrate the role of cathode emission in discharge. |
| 5M20.32 | diode tubes | A-9a | The Welch demonstration power supply board is used to explain the theory of the diode tube. |
| 5M20.35 | thyratron tube | A-17 | The function of the grid in a discharge tube is shown with a thyratron. |
| 5M20.36 | gas filled tubes - grid controlled | A-88 | A circuit for demonstrating the thyratron tube. |
| 5M20.40 | three element tube curves | A-81 | A circuit for obtaining the characteristic curves of a triode. |
| 5M20.41 | "fresh air three electrode tube" | A-82 | Elements of a three electrode tube are placed in a bell jar. |
| 5M20.42 | three electrode tube model | A-83 | Steel balls represent electrons in a mechanical model of a triode. Picture. |
| 5M20.43 | three element tube - electrostatic | A-84 | A circuit for controlling the plate current of a three or four element tube. |
| 5M20.44 | the triode | A-9b | A circuit for demonstration the principles of a triode tube. Reference: AJP 23(9),384. |
| 5M20.46 | triode demonstrator unit | AJP 29(9),640 | Apparatus review of the Modern and Classical Instruments triode demonstrator board. (1961) |
| 5M20.50 | soap bubble model of tubes | 33-2.1 | Soap bubbles moving through plates connected to a Van de Graaff generator simulate behavior of electron tubes. Picture. |