Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,024 pages of information and 229,410 images on early companies, their products and the people who designed and built them.
1870 The Marseilles, Algiers and Malta Telegraph Co laid a cable from Marseilles to Bona, Algeria, then on to Malta. The cable was manufactured and laid by Telcon, who sub-contracted part to W. T. Henley.
1877 Telcon made and laid a duplicate cable on the same route.