| Year | 2016 |
| Date | 24-Jun |
| Volume | 217 |
| Issue | 4,537 |
| Page | 16 |
| Category | Stationary Engine |
| Part | 2 |
| Title | Agnes A Pollit & Wigzell Tandem Compound |
| Author | Peter Southworth |
| Notes | Writes a detailed account of an engine that once powered a Yorkshire woollen mill. (Article taken from a book published by the late Peter Southworth in 2000). The peculiarities of this engine, the Corliss valve |