Spark Chamber Mixtures
Used as the medium for atomic particle studies.
| Spark Chamber Mixtures | Cylinder Size | Contents cu.ft. | Connection |
| 10% Helium 90% Neon 20% Helium 80% Neon 25 % Helium 75% Neon |
300 200 150A 300 200 150A 300 200 150A |
269 201 135 269 201 135 269 201 135 |
580 580 580 580 580 580 580 580 580 |