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 Asdic control room on the starboard side of 1 deck looking to starboard from the doorway. The A/S C O's swivel chair is bolted to a raised platform in the centre beyond the asdic intercom selector box. The three positions on the starboard bulkhead are the rack range, rack bearing and cabinet doppler consoles. The two panels on the left are the main starter panels.