On 2/9/2013 10:11 AM, Joseph Garrett wrote: > As Ron N. says, over and over and over and......I'm repeating myself ad > nauseaum.<G> The real trick to all of this is extremely accurate well > maintained machines, (especially the drill press!) There is either another me out there that I haven't met, or a whole lot of drugs in circulation. Infinite machine precision isn't something I preach. We ought to reasonably repair and maintain what we have and use what ought to be our main tool to work out processes and methods that take advantage of existing physical realities (like the increased accuracy and automatic centering of the bit in a hole when double drilling) without the need for impossibly accurate billion dollar hardware and electron microscopes just to make a hole in something. Ron N
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