| Year | 2020 |
| Date | 06-Nov |
| Volume | 225 |
| Issue | 4,651 |
| Page | 613 |
| Category | Locomotive |
| Part | 2 |
| Title | Britannia Class 7 Locomotive in 5 Inch Gauge. A Modelworks Rebuild |
| Author | Norm Norton |
| Notes | Pistons, Valves and Motion. Takes a renewed look at this popular, kit-built BR Standard Pacific. Oliver Cromwell on the GCR in Loughborough in 2014, cylinder bores and pistons, stainless bobbins with cast iron rings, with PTFE rings and 'O' rings, valve liners and bobbins, the motion, air testing and valve improvements, PTFE expansion, references |