| Year | 1934 |
| Date | 08-Feb |
| Volume | 70 |
| Issue | 1,709 |
| Page | 138 |
| Category | Model Aeronautics |
| Part | 5 |
| Title | Further Steps in Model Aviation. The Why and Wherefore of Biplanes |
| Author | Sky Pilot |
| Notes | Full size biplanes, gap, biplane variations, forward or positive stagger, front elevation of equal span equal dihedral single bay biplane |