| Year | 1933 |
| Date | 30-Mar |
| Volume | 68 |
| Issue | 1,664 |
| Page | 305 |
| Category | Model Aeronautics |
| Part | 17 |
| Title | Model Aviation for Beginners. The "Propeller" or "Airscrew" |
| Author | Sky Pilot |
| Notes | Symmetrical propeller, the principle of the airscrew, the "Chauviere" type, what every model needs, types of propeller |