| Year | 1916 |
| Date | 13-Apr |
| Volume | 34 |
| Issue | 781 |
| Page | 257 |
| Category | Workshop |
| Part | |
| Title | A Simple and Effective Countershaft |
| Author | G.Gentry |
| Notes | View of striking gear & idle, & driving pulleys, a simple & effective counter-shaft in Mr. Ferreira's private workshop |