| Year | 1933 |
| Date | 09-Feb |
| Volume | 68 |
| Issue | 1,657 |
| Page | 123 |
| Category | Armament |
| Part | |
| Title | A 3/4 in. Scale Model of a 12 in. Howitzer Mounted on a Railway Truck |
| Author | J.Mendez |
| Notes | Scrap material used, the parts of the model, construction of the gun, cutting interrupted screw threads, operations in opening the breech, the pedestal, the bogie truck, armoured hose pipes, construction of the scales, methods of using the scales |