this post was submitted on 05 May 2025
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HistoryPorn

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Relive the Past in Jaw-Dropping Detail!

HistoryPorn is for photographs (or, if it can be found, film) of the past, recent or distant! Give us a little snapshot of history!

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[–] [email protected] 6 points 13 hours ago (2 children)

Before fiber/digital (able to carry multiple call streams on the same physical conduit), when all phones were analog on copper, this is how all telephones were wired, just with smaller wires all bundled together, and often buried underground.

[–] [email protected] 7 points 8 hours ago

Not quite. They figured out how to get more signals on one cable full before the digital era

[–] [email protected] 10 points 10 hours ago

Uhm, no. Multiplexing also existed in pure analog times.