པེལ་ཊོན་འཁོར་ལོ།
phys. A water wheel with specially shaped cups around the circumference into which one or more jets of water are aimed at high speed, invented by Lester Allen Pelton, American […]
phys. A water wheel with specially shaped cups around the circumference into which one or more jets of water are aimed at high speed, invented by Lester Allen Pelton, American […]