Concrete Lathe - My CMS - Open Source Machine ToolsYour developing world school needs almost-free machine tools? . In 1915, special lathes made from concrete were developed to quickly and cheaply produce.concrete machine tools,Open Source Machine ToolsThe Concrete Lathe, MultiMachine & Other Projects for the Developing World . Pat Delany's Open Source Machine Tools project is featured in Make Magazine.
concrete machine tools