| Year | 1925 |
| Date | 16-Jul |
| Volume | 53 |
| Issue | 1,264 |
| Page | 75 |
| Category | Club |
| Part | |
| Title | Inventing and Experimenting |
| Author | Alfred W.Marshall |
| Notes | Presidential Address to the Society of Model and Experimental Engineers. "Took up and doing well", patents worries and risks, the skilled inventor, an unfortunate inventor, theft of secret process |