| Year | 1939 |
| Date | 17-Aug |
| Volume | 81 |
| Issue | 1,997 |
| Page | 185 |
| Category | Model Aeronautics |
| Part | |
| Title | Theory and Practice of Model Aeroplane Building |
| Author | Lawrence H.Sparey |
| Notes | The "Amco Golden Eagle" (photo courtesy of "Cloud Model Aircraft"), negative and lifting tails, "The Hornet" (photo courtesy of Model Aircraft Stores), final adjustments, placing the thrust line, adjustable down-thrust |