Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,431 pages of information and 221,356 images on early companies, their products and the people who designed and built them.
of 103 Cannon Street, London, EC
1887 Incorporated as a limited company. This company was registered on 11 June, to acquire certain patent rights for the United Kingdom, the colonies and India.
1891 Reconstruction took place, re-registration being effected on 30 June.
c.1913 Merged with Ammonal Explosives Ltd as Roburite and Ammonal
1914 Manufacturers of "Roburite", "Amvis", "Negro Powder", Dreadnought powder for quarrying, Tetryl electric detonators and all appliances required for the use of explosives. Employees 100. 
1915 25th annual meeting of Roburite and Ammonal Ltd; report of major shift in the business from industrial explosive to the war effort
1917 Part of the amalgamation of the British Explosives industry.