| Year | 2015 |
| Date | 06-Feb |
| Volume | 214 |
| Issue | 4,501 |
| Page | 217 |
| Category | Historic |
| Part | 5 |
| Title | Journeyman's Jottings Old Engines Reviewed |
| Author | Journeyman |
| Notes | Turns the pages of some historic publications. The Woodruff System of Keying, A Geometric Gyroscopic Top, English's Valve Gear, Lowry's Gyratory Stone Breaker |