| Year | 1951 |
| Date | 12-Jul |
| Volume | 105 |
| Issue | 2,616 |
| Page | 57 |
| Category | Historic |
| Part | |
| Title | "That Wonderful Year" |
| Author | "The Dominie" |
| Notes | Maudslay's "Siamese" engines, annular cylinder marine engine, side-lever marine engine by Boulton & Watt, steeple engines, Maudslay's double piston-rod engine, oscillating engine by Joseph Maudslay, direct-acting screw engines in H.M.S. "Ajax", feathering screw propeller, Watt's four-cylinder oscillating marine engine, Watt's "locomotive engine" and model of Watt's oscillating engine built by William Murdoch |