| Year | 1915 |
| Date | 23-Sep |
| Volume | 33 |
| Issue | 752 |
| Page | 274 |
| Category | Armament |
| Part | |
| Title | A.O.V. Munition Work |
| Author | |
| Notes | The new plain shell bases, the stamping for a plain 2 1/4" shell base, illustrating dimensions of new plain bases & suggested methods of chucking, making an angle gauge for cutting the bevel, making a distance ring for chucking, the bevel gauge & master gauge for same, how to set them out, flat centre for preventing base from drawing out of chuck during screw-cutting, gauge for setting grooving tool, chucking and machining the screwed basespacking cases, new workers |