Transatlantic Telegraph Cable

First transatlantic cable of the German-Atlantic Telegraph Company, Emden – Borkum – Azores – New York, 2-core telegraphic sea cable, 1900, Metals, textiles, plastics.
Courtesy of the Museum Foundation Post and Telecommunication

The transatlantic submarine cables for telegraphy, preform of the WWW, would not have been feasible without a triple insulation layer of gutta, a Malaysian latex type.