India Rubber, Gutta Percha and Telegraph Works Company

The India Rubber, Gutta Percha and Telegraph Works Company was a London-based company based in Silvertown, East London. It was founded by Stephen William Silver in March 1864 as Silver's Indiarubber Works and Telegraph Cable Company Ltd. However, in July that year the name was changed to the India Rubber, Gutta Percha and Telegraph Works Company.

The company entered the business of laying as well as manufacturing cables for other companies engaged in cable laying: in 1865 the company manufactured and laid its first cable. Galvanometers were part of the test equipment for submarine cables.