Hi, See http://www.chroniclelive.co.uk/news/history/vickers-armstrong-old-photos-show-9985844 A slide show of various Weapons made by the world renown "Armstrong Vickers" Elswick Newcastle-upon-Tyne works. Including a photograph of a swimming Tank dated 1932 and a photograph of the test firing of a shore based triple tube Torpedo Launcher on the River Tyne. Regards, Mick D.
On the same subject don't forget the 1919-1939 phots from Beamish Museum on ny interwar tank development blog here Clive (2)