| Year | 2011 |
| Date | 16-Dec |
| Volume | 207 |
| Issue | 4,419 |
| Page | 852 |
| Category | Stationary Engine |
| Part | 5 |
| Title | Armstrong's Hydraulic Pumping Engine |
| Author | Anthony Mount |
| Notes | Makes the crankshaft, connecting rod and associated bearings. Big and little end bearings, crankpin bearing pedestals |