| Year | 1916 |
| Date | 24-Feb |
| Volume | 34 |
| Issue | 774 |
| Page | 149 |
| Category | Armament |
| Part | |
| Title | A.O.V. Munition Work |
| Author | |
| Notes | A special chuck for machining screwed bases at one chucking. The base in chuck & back centre up, the base in chuck & collar against the job, showing chuck with collar removed, general view & some finished bases |