| Year | 1906 |
| Date | 13-Dec |
| Volume | 15 |
| Issue | 294 |
| Page | 576 |
| Category | The Editor's Page |
| Part | |
| Title | The Palindrome Direct Expansion Reversible Rotary Engine |
| Author | |
| Notes | Invented by Mr. McArthur and Mr. Smith. Mr. Bruce is forming a syndicate for further engine development |