| Year | 1914 |
| Date | 30-Jul |
| Volume | 31 |
| Issue | 692 |
| Page | 106 |
| Category | General |
| Part | |
| Title | A Novel Form of Rotary Blower |
| Author | P.J.Haler and A.H.Stuart |
| Notes | Sketch of blower with cover removed, method of setting out a limacon, diagram of blower, photograph of blower |