The telephone switchboard was a real wonder of technology and laid the groundwork for the next generation of connectivity. Learn how these things worked today.
See omnystudio.com/listener for privacy information.
Comments (3)
More Episodes
All Episodes>>
Get this podcast on your phone, Free
Creat Yourt Podcast In Minutes
- Full-featured podcast site
- Unlimited storage and bandwidth
- Comprehensive podcast stats
- Distribute to Apple Podcasts, Spotify, and more
- Make money with your podcast
It is Free