| Year | 1923 |
| Date | 26-Apr |
| Volume | 48 |
| Issue | 1,148 |
| Page | 426 |
| Category | Steam |
| Part | |
| Title | Some Steam and Electrical Models |
| Author | H.H.Marsden |
| Notes | Views of vertical twin cylinder lauch engine, single cylinder direct coupled steam engine and dynamo, small steam engine and electric motor, overtype dynamo and series wound motor, model vertical boiler |