| Year | 1914 |
| Date | 07-May |
| Volume | 30 |
| Issue | 680 |
| Page | 451 |
| Category | Workshop |
| Part | 2 |
| Title | Notes on Model Air Compressors |
| Author | Herbert Addison |
| Notes | Pressure-volume diagram of air under various conditions, curves for determining power required to compress air to a given pressure |