| Year | 1917 |
| Date | 19-Jul |
| Volume | 37 |
| Issue | 847 |
| Page | 38 |
| Category | Workshop |
| Part | 16 |
| Title | How Machine Tools Work |
| Author | Fred Horner |
| Notes | Milling Machines. Plano-Milling Machines, convertible to openside (Darling & Sellers), details of plano-milling machines |