"Schumann SM-Levitators"
https://rense.com/general96/germdiscsA.htm
"Professor Schumann had invented the SM-Levitator from the JFM research and now the time had come to put the device to work in a series of "Round Aircraft"- the Rundflugzeug series."
http://discaircraft.greyfalcon.us/RFZ.htm
"levitator technology developed by Professor Winfried Otto Schumann of the Technical University of Munich who worked on the mysterious JFM from 1922-24."
http://discaircraft.greyfalcon.us/intro.html
"The Vril Drive, which was formerly called the Schumann SM Levitator emerged from this experimental machine."
https://vamzzz.com/blog/nazi-ufo/
"Using a propeller VRIL (also known by SSM-L, that is Schumann SM-Levitator) the machine, with 5 diameter meters, it generated a electromagnetic field that moved easily, alternating of color every time that its speed oscillated."
https://www.stevequayle.com/index.php?s=110