| Year | 1939 |
| Date | 09-Mar |
| Volume | 80 |
| Issue | 1,974 |
| Page | 292 |
| Category | General |
| Part | |
| Title | Modelics |
| Author | "Inchometer" |
| Notes | Past, present and future, trunnion caps by W.H.Eades, models of old-time cannon, trunnion caps for field and naval guns, making trunnion caps, hole in the carriage, caps and plates for field gun |