| Year | 1932 |
| Date | 15-Dec |
| Volume | 67 |
| Issue | 1,649 |
| Page | 572 |
| Category | Model Aeronautics |
| Part | 11 |
| Title | Model Aviation for Beginners. Double-surfaced Wings |
| Author | Sky Pilot |
| Notes | Normal airflow over and under wing, wing sections, disturbed air flow at extreme angle of incidence, three widely differing wing sections, location of main spars, mid-spar, cross-struts, ribs, diagonals, wire stiffeners, a simplified D.S. wing, half-rib |