Some welders are recommending a #14 filter glass for safe viewing.
My auto darkening helmet is not enough.
I will be at work and watching on TV / computer.
Some welders are recommending a #14 filter glass for safe viewing.
My auto darkening helmet is not enough.
I will be at work and watching on TV / computer.
Just a re-post of Nasa's live link:
https://www.nasa.gov/eclipse2017
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