Photo courtesy Dave / ZL2BBB

THE RADIO ROOM ON BOARD SHAW SAVILL & ALBION'S 'PERSIC'  IN 1965. TO THE FAR LEFT IS THE MARCONI AUTO ALARM RECEIVER, THEN THE MARCONI OCEANSPAN MAIN TRANSMITTER WITH THE MARCONI RELIANCE EMERGENCY TRANSMITTER TO ITS RIGHT.ON THE RIGHT OF THE PICTURE IS THE MERCURY AND ELETRA RECEIVERS AND THE MARCONI AUTOKEY DEVICE.