1871 plans map out the first circuit of the globe by telegraph


The Library of Congress site contains gems like this map showing the proposed final link of the original world wide web: the proposed trans-Pacific telegraph line, envisioned with Civil War-era technology.

Thirty years later, Britain's All Red Line was working to connect the entire British Empire:


At the same time, the Commercial Pacific Cable Company also began making the dream a reality.



Below are a couple of articles about the process, including images of the equipment used.

The Commercial Pacific Cable Company

The Laying of the American Trans-Pacific Cable (1902 article)

Here's a current map of submarine cables.