Clarion Equipment
of Carnaby St, London, installer and renter of burglar alarms
1946 Company incorporated[1]
1950 Acquired by Phoenix Telephone and Electric Works
1955 All Systems of Alarm including the "GREIGER 999" - CLARION EQUIPMENT LTD., 39, CARNABY STREET, W.l.[2]
1956 The minority shareholder in Clarion Equipment acquired the 75 percent held by Phoenix Telephone and Electric Works[3]