| Year | 1924 |
| Date | 07-Aug |
| Volume | 51 |
| Issue | 1,215 |
| Page | 143 |
| Category | Steam |
| Part | |
| Title | A Miniature Working Model Piston Valve Steam Engine |
| Author | Vincent Underhill |
| Notes | Two views, bedding the crankshaft, general arrangement elevations and plan, drilling the inside port, packing case for small models |