Autor: Unknown
Título: The Eastern Telegraph Co.: System and its general connections. Chart of submarine telegraph cable routes, showing the global reach of telecommunications at the beginning of the 20th century
Data: 1901
Origem: A.B.C. Telegraphic Code 5th Edition, via Atlantic-cable
Fonte: https://commons.wikimedia.org/wiki/File:1901_Eastern_Telegraph_cables.png
Licença: Domínio Público
23-08-1893