Viewpoint One

The Large Exhibits Gallery, the impressive central space of the Imperial War Museum, showing the 'Ole Bill' London bus, used as troop transport during the First World War; a V2 rocket; a Polaris submarine-based ballistic missile; a British 18- pounder artillery piece from the First World War; a Mark V tank of 1918 and facing the main entrance, a German mast periscope designed for use behind buildings and in woods.