| Year | 1919 |
| Date | 16-Jan |
| Volume | 40 |
| Issue | 925 |
| Page | 34 |
| Category | General |
| Part | |
| Title | War Developments in Industry |
| Author | Kellaway |
| Notes | Parliamentary and Financial Secretary to the Ministry of Munitions. Raw materials: mica, tungsten, ferro-chrome, spelter, potash, machine tools |