Turnings.
These common aluminum lathe turnings are special only because I made them using a tungsten carbide lathe bit that I had made myself from tungsten carbide and cobalt powders. You can read how it's done in my Popular Science column. Source:Theodore Gray Contributor:Theodore Gray Acquired:8 February, 2009 Text Updated:8 February, 2009 Price: Trade Size: 2" Purity: 99%
