| Year | 1919 |
| Date | 11-Dec |
| Volume | 41 |
| Issue | 972 |
| Page | 544 |
| Category | Club |
| Part | |
| Title | Twenty-one Years of Model Engineering |
| Author | Percival Marshall |
| Notes | From the official programme of the 21st Anniversary Celebration of the Society of Model and Experimental Engineers (SM&EE) |