Recent searches
Search options
Administered by:
The Simplest Electro-Mechanical Telephone Exchange That Actually Works - While rarely seen by users, the technology behind telephone exchanges is actually ... - https://hackaday.com/2022/04/14/the-simplest-electro-mechanical-telephone-exchange-that-actually-works/ #telephoneexchange #analogtelephony #classichacks #phonehacks #pots
HackadayThe Simplest Electro-Mechanical Telephone Exchange That Actually Works