| Year | 1951 |
| Date | 17-May |
| Volume | 104 |
| Issue | 2,608 |
| Page | 621 |
| Category | Smoke Rings |
| Part | |
| Title | Our Cover Picture (Miniature 17,100 kVA water turbine driven generator) |
| Author | |
| Notes | North of Scotland Hydro-electric Board, Metropolitan-Vickers Electrical Co., Kiewa Hydro-electric scheme of the Victoria State Electricity Commission Australia |