| Year | 1918 |
| Date | 25-Jul |
| Volume | 39 |
| Issue | 900 |
| Page | 46 |
| Category | Aeronautical |
| Part | |
| Title | Aeronautical Inventions |
| Author | |
| Notes | Hints from the Air Ministry. Types of Aircraft. Minor Improvement. Safety Devices. Engines. Silencers. Bombs. Levels and other Instruments. Anti-Aircraft Devices. General Hints |