| Year | 1933 |
| Date | 24-Aug |
| Volume | 69 |
| Issue | 1,685 |
| Page | 176 |
| Category | Trade |
| Part | |
| Title | A Pneumatic Turbine-driven Grinding Tool (Desoutter Bros) |
| Author | |
| Notes | Cutaway view showing internal construction, longitudinal section, the components, abrasive tools used with samples of works |