https://televue.com/mobile/TV5_page.asp?id=94
Tele Vue Optics Mobile Site: About Al Nagler
Tele Vue Optics, founded in 1977, has been thrilling amateur astronomers since 1979. It is our mission. It's in the materials we choose, the designs we create,...
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https://www.astronomy.com/science/al-naglers-legacy/
Al Nagler's legacy | Astronomy.com
May 18, 2023 - categories:Science | tags:Magazine, Observing
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