A 2¾ x 2¼ film negative. On board the Type 12 frigate Yarmouth (1959) alongside the South-West Wall in Portsmouth Dockyard. Inside the Electrical Maintenance Room on the port side of the centreline on 1 deck between 39 and 42 stations looking from starboard to port. A tape recorder and reproducer machine, serial number WRW892, is on the workbench on the left. A Thermotank ventilation unit and a loudspeaker are on the bulkhead. An electrical unit minus its display screen is on the right.