Ingersoll
of Ingersoll Building, 223-7 Saint John Street, London, EC1
1905 Establishment of the London House of Ingersoll[1]
1921 Ingersoll Watch Co Ltd moved from temporary premises in Regent's Street, London to Kingsway[2]
1930 Company formed to acquire the Ingersoll Watch Co Ltd[3]
1937 Watch and clock manufacturers. [4]
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[5] - see Ingersoll Locks
1954 Negotiations were in progress for the sale of its interests in the subsidiaries Serco Ltd and A. Boucher (Metals). Sale of the Ruislip premises, following the move back to London[6]
1957 Intended to sell Ingersoll Locks in order to concentrate on clocks and watches[7]
1977 Acquired by Heron Corporation; the business would now concentrate on digital watches using imported components to be sold through conventional channels such as jewellers[8]