| Year | 1923 |
| Date | 26-Jul |
| Volume | 49 |
| Issue | 1,161 |
| Page | 97 |
| Category | Steam |
| Part | |
| Title | Some Steam Models |
| Author | H.S.Bond |
| Notes | Compound engine and boiler, twin-cylinder launch engine, enclosed single-acting twin, two-cylinder single-acting oscillating engine with boiler, signal lever frame |