A 2¾ x 2¼ film negative. The Type 12 frigate Yarmouth (1959) alongside the South-West Wall in Portsmouth Dockyard. On board looking aft from the forecastle showing the 4.5 inch Mark 6 gun turret and the newly fitted MRS3 director with its Type 903 radar on the bridge roof. On the angled platform on the foremast is the Type 978 navigational radar and on the upper platform is the Type 993 search radar. The Mark 5 HF/DF aerial tops the foremast. The 30 ton transporter crane is in the right background.