Vintage Telephone Exchanges & Switching

You have found the perfect channel to learn more about vintage electromechanical telephone systems spanning from 1879 until the 1960’s. 

Most of the videos may also be found on Calling315.com (all non-commercial). This site includes 70 articles on electromechanical systems with historical perspectives, essential inventions, and the anatomy of the foremost automatic exchanges. Fifteen exchange switch types are explained with more than 250 images/videos.

The videos cover a wide range of topics including switching device demos, making calls over different exchange types, explainers for various electromechanical devices, and more.   For a deeper explanation of the context of each video, view the Table of Contents at https://www.calling315.com/heirarchial-toc-graph.

Contact Al Kovalick at Calling315.com/contact