| Year | 1935 |
| Date | 07-Mar |
| Volume | 72 |
| Issue | 1,765 |
| Page | 237 |
| Category | Practical Letters from Our Readers |
| Part | |
| Title | Old-Time Engines |
| Author | Frank D.Woodall |
| Notes | Single cylinder vertical steam engine with parallel motion, Cornish pumping engine showing built-in form of construction |