| Year | 1985 |
| Date | 04-Jan |
| Volume | 154 |
| Issue | 3,744 |
| Page | 16 |
| Category | General |
| Part | |
| Title | Working to Scale. Hidden Modifications to Antique Engines |
| Author | R.Jarvis |
| Notes | Perversity of nature, sugar cane crushing engine, two vital valves, improved "horse-foot valve", an added bonus, heat exchanger, scale speed, materials and finish, paddle steamer engine, Savery's engine boiler house, presentation is important |