| Year | 1973 |
| Date | 20-Jul |
| Volume | 139 |
| Issue | 3,469 |
| Page | 725 |
| Category | Jeynes' Corner |
| Part | |
| Title | Talks about steam |
| Author | E.H.Jeynes |
| Notes | McLaren ploughing engine, 7 n.h.p. Marshall? (photograph by A.W.Betteridge), Mr Drury's A. & P. Roller, Ransomes, Sims & Jeffries auxiliary valve, boiler feed check valves |