Bob, if you haven't already done so you might want to read Tesla's description of the stout copper bars experiment and what he thinks about it. It's in one of the articles in this book, along with other similar experiments:
The Inventions, Researches and Writings of Nikola Tesla, With Special Reference to His Work in Polyphase Currents and High Potential Lighting: Amazon.co.uk: Nikola Tesla, Thomas Commerford Martin: 9781614270607: Books
Beware other editions containing photocopied and entirely black/unrecognisable diagrams.
The Inventions, Researches and Writings of Nikola Tesla, With Special Reference to His Work in Polyphase Currents and High Potential Lighting: Amazon.co.uk: Nikola Tesla, Thomas Commerford Martin: 9781614270607: Books
Beware other editions containing photocopied and entirely black/unrecognisable diagrams.
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