Vintage British Navy signal cannon with wooden carriage.  This cast steel cannon is a beautiful replica of British Navy signal cannons that were used on ships and ports for various purposes.  It is a large and heavy naval cannon that judging from its construction can probably fire if inspected by a professional and used properly with all safety precautions in place. Dimensions Overall length: 55 cm/21.65 inches Width: 22 cm/8.66 inches Height: 35 cm/13.77 inches Weight: 11.3 Kg/24.9 lbs.