Topic

electromechanical

2 videos. Ranked by independent recommendations, not by views.

1. 

   1 Explanation of how kilowatt-hour meters work (electromechanical)

   Applied Science 3 people · 4 months · since Dec 2013

   An explanation of how the mechanical kilowatt hour meter on a house works, recommended as a clear way to study the spinning disc and its magnets.

2. 

   2 AT&T Archives: The Step-By-Step Switch

   AT&T Tech Channel 3 people · 3 months · since Feb 2015

   Archive film explaining electromechanical step-by-step telephone switches, recommended for understanding how exchanges routed calls before digital electronics.