| Year | 1917 |
| Date | 15-Nov |
| Volume | 37 |
| Issue | 864 |
| Page | 304 |
| Category | General |
| Part | |
| Title | How to Manage Small Power Plants |
| Author | W.T.Wardale |
| Notes | Practical Hints for National Service Workers. The chipping hammer, the necessary time to scale the boiler, badly scaled boiler, cleaning the firebox |