| Year | 1953 |
| Date | 14-May |
| Volume | 108 |
| Issue | 2,712 |
| Page | 578 |
| Category | Hot Air |
| Part | |
| Title | Hot-Air Engine Mechanism |
| Author | B.C.J. |
| Notes | As embodied in the Stirling Engine. The Henrici engine, lubrication, simplicity itself! The Robinson engine, miscellaneous mechanisms, concluding remarks |