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Collimating a Newtonian Scientifically
E-bok,
2020,
Engelska,
ISBN 9781665580823
In 2003 my partner Kathleen, proposed a bungalow with a great view of the night sky. December 2005 and one year into telescopes, the optics of the length halved again 8"e; …
Collimating a Newtonian Scientifically
E-bok,
2021,
Engelska,
ISBN 9781665584029
In 2003 my partner Kathleen, proposed a bungalow with a great view of the night sky. December 2005 and one year into telescopes, the optics of the length halved again 8"e; …