| Year | 1936 |
| Date | 29-Oct |
| Volume | 75 |
| Issue | 1,851 |
| Page | 413 |
| Category | Smoke Rings |
| Part | |
| Title | A Governor-General on Model Engineering |
| Author | Percival Marshall |
| Notes | R.A.MacLean, Chairman of the Durban SME, demonstrates a working model gas engine to His Excellency the Governor-General of South Africa, the Earl of Clarendon |