Torquay (1954)
Scale 1:1. An ozatrace copy of a plan showing the hydrulic pumping unit for the type 182 sonar on the Whitby class frigate Torquay (1954). This plan was drawn by R. A. Voller [Draughtsman at Chatham Dockyard flourishing 1970]. This drawing is listed as Sheet 3 of 4.