Ancient lingams had Copper (Cu) and Gold (Au), and crystal FWIU. From "Can you pump water without any electricity?" https://news.ycombinator.com/item?id=406197

Ancient lingams had Copper (Cu) and Gold (Au), and crystal FWIU. From "Can you pump water without any electricity?" https://news.ycombinator.com/item?id=40619745 https://news.ycombinator.com/item?id=40619745 : > - /? praveen mohan lingam: https://www.youtube.com/results?search_query=praveen+mohan+lingam https://www.youtube.com/results?search_query=praveen+mohan+l...