| Year | 1944 |
| Date | 03-Aug |
| Volume | 91 |
| Issue | 2,256 |
| Page | 103 |
| Category | Locomotive |
| Part | |
| Title | "Petrolea". 3 1/2-in. gauge 2-4-0 G.E.R. locomotive |
| Author | LBSC |
| Notes | Valve gear, some of the variations, means of adjusting valve settings, how to mark out the eccentric-strap casting, eccentric-straps and rods, plug gauge as mandrel for finishing straps, an improvised machine vice |