Thermit
of 27, St Martin's lane, Cannon-street, London
1902 The process of casting metals called "thermit" was patented in the UK on behalf of Hans Goldschmidt and Walter Mathesius of Essen.
1904 Company established (see advert)
1905 Thermit Ltd of 27, St Martin's lane, Cannon-street, London, demonstrated welding of rails using the alumino-ferric process[1]
1907 Thermit Ltd won a case against Weldite Ltd for infringement of its patent for production of pure metals and for welding and subsequently for the revocation of Claude Vautin's patent[2]
1908 Goldschmidt's patent for improving the process of butt welding metals using the alumino-ferric (thermit) process was filed in the UK.
1912 Exhibited carbon free steel alloys at the Non-Ferrous Metals Exhibition at the Royal Agricultural Halls[3].
1917 A new company, The British Barimar Thermit Welding Co, with works in Liverpool and London, was given formal sanction to take up and work under license certain of the patents held by Thermit Ltd, at one time a German company, now owned by Birmingham Metal and Munitions Co.[4]. Also see British Thermit
1918 Thermit Ltd of 675, Commercial-road, London E.14 (see advert) appointed Mr Cecil Leigh as general manager.[5]
1923 Thermit Ltd was part of the engineering interests of Nobel Industries Ltd[6]
1926 Birmingham Metal and Munitions Co became part of the new ICI
1929 Murex Ltd acquired the goodwill, patents and trademarks of Thermit Ltd, a company which was owned by ICI[7]
1959 Murex established a new subsidiary Thermit Welding (Great Britain) Ltd