A whole plate negative. On board the Royal Navy frigate Rothesay (1957) in the fitting out berth of Yarrow & Co Ltd at Scotstoun, Glasgow. The gyro compass room at station 35 on 3 deck. The photographer is looking aft from the doorway showing the main gyro compass in it adjustable mounting on the right. Beyond it on the aft bulkhead is a retransmission unit.