| Year | 1956 |
| Date | 09-Feb |
| Volume | 114 |
| Issue | 2,855 |
| Page | 236 |
| Category | Nautical |
| Part | |
| Title | Power by Paddles. An Engine for Devonia |
| Author | Edgar T.Westbury |
| Notes | Crankheads & Crankshafts. Crankhead bolts, making the crankshaft, marking throw centres, a tool for the job |