Energy from Natural Resources => Gravity powered devices => Topic started by: iacob alex on April 08, 2016, 03:56:18 PM
Title: A New Century of Inventions...
Post by: iacob alex on April 08, 2016, 03:56:18 PM
.....long time ago ( 1822 ) , at : http://freepages.rootsweb.ancestry.com/~wakefield/history/42951-h/42951-h.htm How about the "next" century of inventions ( including " gravity powered devices "...) !? Al_ex