| Year | 1957 |
| Date | 26-Sep |
| Volume | 117 |
| Issue | 2,940 |
| Page | 451 |
| Category | Armament |
| Part | |
| Title | The Rifled Gun |
| Author | J.Pearson |
| Notes | Review of a half-century of development. Success for Armstrong, a Maxim gun on a naval mounting, quick firers, naval carriage and slide Elswick plate compressor |