| Year | 1952 |
| Date | 12-Jun |
| Volume | 106 |
| Issue | 2,664 |
| Page | 765 |
| Category | Steam |
| Part | |
| Title | The Crofton Beam Engines |
| Author | Ian Bradley |
| Notes | (Photographs by H.H.Dennis), sectional elevation, James Watt engine - cylinder cover and valve gear, holding the cylinder on its foundations, beam staked to the shaft, bearings of piston-rod linkage |