Results 301 to 305 of about 200,425 (305)

Wolter-Schwarzschild Telescopes for X-Ray Astronomy

Applied Optics, 1973
exaly  

REFLECTOR TELESCOPE.

1988
openaire   +2 more sources

Reticle for a telescope

2014
HORNUNG THOMAS, VOM HAGEN CHRISTOPH-HILMAR, MATTERN JUERGEN   +2 more
openaire   +2 more sources

A Telescope’s Lack of Fortune: the Newall Telescope

Panagiotis Lazos, George N. Vlahakis
openaire   +1 more source

Telescopes, Reflecting: Large Telescopes for Amateurs

2004
openaire   +1 more source