Andrey Burenkov has a plan to build a similar? device
See PDF at http://www.evert.de/eft820b.pdf
(Source: http://www.evert.de/eft820.htm)
Please comment.
Danke f?r den link !
For an english version of the html page:
http://www.evert.de/eft820e.htm
(adding the "e" to almost all of Albert Evert's pages gives the english version)
-Steve
It maybe act like a elektrostatic device:
http://www.hcrs.at/ELWALZ.HTM
also read Links (Stefan Marinov - Testatika)
http://www.giuli.com/meg/