| Year | 2022 |
| Date | 22-Apr |
| Volume | 228 |
| Issue | 4,689 |
| Page | 580 |
| Category | Historic |
| Part | 32 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | The Later Boring Machines at the Soho Foundry. Takes a look at the history and development of the stationary steam engine. Revisions of the Soho Foundry Boring Mill, references |