| Year | 1976 |
| Date | 17-Sep |
| Volume | 142 |
| Issue | 3,545 |
| Page | 894 |
| Category | Stationary Engine |
| Part | 4 |
| Title | A Vertical Columnar Engine. A Model of the "Williamson" engine |
| Author | "Tubal Cain" |
| Notes | Crankshaft holding fixture, valve and rod, piston and rod, eccentric and strap, eccentric rod |