. . . . . . . . . . . "Admiralty Research Laboratory" . . . "Admiralty Research Laboratory-Fire Control Group" . . "1921" . . . "Admiralty's Research Laboratory" . . . . . . "Fire Control Group, Admiralty Research Laboratory" . . . "Admiralty Research Laboratory of the British Navy" . "1977" . . "Admiralty Research Laboratory" . . . . . . . . . .