A whole plate negative. On board the Royal Navy frigate Rothesay (1957) in the fitting out berth of Yarrow & Co Ltd at Scotstoun, Glasgow. In the operations room on 1 deck looking to port and slightly forward from the starboard side. The captain's chair is in the centre with a display unit in front of it. on the side of the display unit is a Subex board and an Asdic sweep board. An L.O. plot is on the right with the mortar information display units above.