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On 9/29/11, D P Pierce <starsbirdsglyphs@gmail.com> wrote:
Just looked at the sun using Baader filter with both unmagnified eye and 8 X21 bincs. Very visible with both. Question? Is it # 14 welders glass thats safe to use?
Just looked at the sun using Baader filter with both unmagnified eye and 8 X21 bincs. Very visible with both.
Question? Is it # 14 welders glass thats safe to use?
Yes. #14 is safe.
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