| Year | 1902 |
| Date | 01-May |
| Volume | 6 |
| Issue | 72 |
| Page | 200 |
| Category | General |
| Part | |
| Title | The Uses of Engineering Models |
| Author | Percival Marshall |
| Notes | GER valve-gear model, premises of Henry Roberts & Co., private house model, cylinder & valve chest, gas engine, built girders, crosshead, machine drawing class (made by G.Cussons |