| Year | 1958 |
| Date | 29-May |
| Volume | 118 |
| Issue | 2,975 |
| Page | 682 |
| Category | Smoke Rings |
| Part | |
| Title | Complete circuit; Need for order |
| Author | Vulcan |
| Notes | Marshall's Practical Manuals - No 2 Private House Electric Lighting by Frederic H.Taylor, British Electrical Development Association |