Max Miller from Ohio has sponsored many Stanley Meyer Conferences This link to the 2019 conference is very informative.
https://www.youtube.com/watch?v=xcF74Q_7kEI https://vimeo.com/1493494This amateur historian and scientist handed out a booklet called "The EPG Enigma" which attempted to understand the operating characteristics of ferrofluid liquid EPGs by looking at the EPGs physical design and characteristics of the magnetic properties of EFH-1 and then by using the EMF transformer equation to determine Beta max flux values