| Year | 2013 |
| Date | 05-Apr |
| Volume | 210 |
| Issue | 4,453 |
| Page | 491 |
| Category | Stationary Engine |
| Part | 3 |
| Title | The Dake Square Piston Engine |
| Author | Stewart Hart |
| Notes | Continues with his unusual engine. The central boss, back cover, bolting buttons, outer cylinder frame assembly |