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Telescope Making, Rough Grinding a Primary mirror for a 12.5 inch Buchroeder Quad Schiefspiegler

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Uploaded by on Aug 1, 2009

In this video, I continue rough grinding my 12.5 inch primary mirror for my Buchroeder Quad Schiefspiegler. The radius of curvature will be 300 inches when complete. Progress is slow, but I am proceeding with determination.

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  • How do you trepan the tool? Will you (did you) do it yourself? Seems like a specialized technique.

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