pens.com "The Nazi-Bell device consisted two of counter-rotating cylindrical containers. The containers, which were positioned one above the other measured approximately 1-meter in diameter, and were filled with cryogenically cooled and frozen Mercury metal. There was a frozen core of a metallic paste, which served as a "high permeability material" for the EMG (electromagnetic-gravitational) field." https://www.ancient-code.com/meet-die-glocke-the-mysterious-nazi-anti-gravity-machine/ John Dering -- a physicist specializing advanced directed energy, nonlinear electrodynamics, and new energy sources -- has further reported on a “Rhine Valley” facility and device. He believes this to have been an actual wartime prototype deployment of a successor to the ...