Ingersoll
of Ingersoll Building, 223-7 Saint John Street, London, EC1
1921 Ingersoll Watch Co Ltd moved from temporary premises in Regent's Street, London to Kingsway[1]
1930 Company formed to acquire the Ingersoll Watch Co Ltd[2]
1937 Watch and clock manufacturers. [3]
1946 Ingersoll Ltd was a British controlled company. Having had business links with Switzerland for many years, it was developing a national capability for watch manufacture, with government support. A factory had been built in South Wales for Anglo Celtic Watch Co, which was jointly owned with Smiths English Clocks and Vickers-Armstrong Ltd. These 3 partners were also involved in a factory in the Team Valley. The watch repair service for private customers was being re-established after the war. Had acquired Crusader Watch Co from Adie Brothers of Birmingham. The company had also developed and patented a design of lock which it was preparing to bring into production[4] - see Ingersoll Locks
1957 Sold Ingersoll Locks in order to concentrate on clocks and watches[5]
1977 Acquired by Heron Corporation[6]