| Year | 1977 |
| Date | 17-Jun |
| Volume | 143 |
| Issue | 3,563 |
| Page | 688 |
| Category | Plans Service |
| Part | |
| Title | Miscellaneous Engine Drawings |
| Author | |
| Notes | M.2. Heinrici hot air engine. M.6. "Trojan". M.7. "Warrior". M.8. "Spartan". M.9. Diagonal paddle engine. M.17. "Vulcan". M.18. Basic marine steam plant. M.19. "Theseus" |