Franklin bells
Franklin bells (also known as Gordon’s Bells or Lightning bells) are an early demonstration of electric charge designed to work with a Leyden jar. Franklin bells are only a qualitative indicator of el...
Franklin bells - Wikipedia
Franklin's Bell - How it Works - YouTube
Dec 14, 2012 ... How Franklin's Bell works, both Benjamin Franklin's original setup for detecting lightning storms and a simple homemade one using soda cans.