| Year | 1977 |
| Date | 03-Jun |
| Volume | 143 |
| Issue | 3,562 |
| Page | 610 |
| Category | Stationary Engine |
| Part | 3 |
| Title | "Mary". A Four-Column Beam Engine |
| Author | "Tubal Cain" |
| Notes | Outer bearing support, entablature, main bearings, rocker bearings, eccentric sheave, eccentric strap, eccentric rod, rod end, strap and cotters |