| Year | 1914 |
| Date | 21-May |
| Volume | 30 |
| Issue | 682 |
| Page | 488 |
| Category | Workshop |
| Part | 4 |
| Title | Notes on Model Air Compressors |
| Author | Herbert Addison |
| Notes | Suggested method of machining crank case, arrangement of high speed vertical inverted water-cooled air compressor |