Thread: Use a radioactive eyepiece!
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Old February 3rd 13, 02:43 PM posted to sci.astro.amateur
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Default Use a radioactive eyepiece!
On Feb 2, 7:03*pm, Quadibloc wrote:

I see that some radioactive glass was used even in the 1960s, so I'm
mistaken...

John Savard

I believe it was still available ( or t least listed in the Schott
catalog) in the 70s.

http://www.richardfisher.com