Building A Hammer Mill Part 1 - YouTube
Dec 18, 2012· Make: Projects $150, 12″ Swing, Metal Lathe, Mill, and Drill . Almost-free metal lathe, drill and milling machines. Accurate and scalable to any size. Technology used has been proven for almost 100 years. Easily made from scrap, steel bar and concrete. Built with common hand tools, a drill and a few small welds.