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[ATM] Spherometer
I just picked up a neat digital spherometer from a source who listed one on
ebay. The purveyor is Hans Weist. His website is www.1800destiny.com
The spherometer comes with a conversion chart to convert readings into
focal lengths. I have yet to take a sample and compare the math, but I am
very happy with the product otherwise.
In other news, I have completed 5 micron grinding on my 12.5 project that I
am working on now. The basement is warming and polishing my projects cannot
be far behind. I am also gathering various writings on foundry work as well
as the parts and tools that I will need. I suspect that a home foundry,
complete with furnace, flask, tongs, sand and all other needed items may be
had for around $500.00
Francis J. O'Reilly
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