| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 4A50.00 | Liquid Helium | | |
| 4A50.10 | basic low temperature apparatus | 28-1 | The basic apparatus for working with liquid helium is reviewed. Details in appendix, p.1305. |
| 4A50.11 | low temp apparatus | AJP 34(8),692 | Pictures of many devices for use in lecture demonstration and laboratory. |
| 4A50.20 | superconduction in lead | AJP 43(12),1105 | A superconducting ammeter allows direct observation of the current. |
| 4A50.20 | superconduction in lead | 28-2.1 | Lead in liquid helium is superconducting and floats a magnet. Picture. |
| 4A50.30 | the persistent current | 28-2.2 | A niobium coil remains superconduction at 4.2 K for up to 5 amps. Picture, Diagram. |
| 4A50.40 | lambda-point transition | 28-2.3 | The transition between helium I and II. |
| 4A50.50 | superleak | 28-2.4 | Leakage through a fritted disk happens with helium I but not II. |
| 4A50.60 | the fountain effect | 28-2.5 | The fountain effect. Pictures. |
| 4A50.70 | rollin creeping film | 28-2.6 | A film of helium II creeps out of a dish. Picture. |
| 4A50.80 | resistance vs. temperature | 28-2.7 | A circuit shown can be used to demonstrate superconductivity in lecture. Diagram. |