MAKE A MEME View Large Image ReflectingTelescope 016.jpg The disk after polishing was set up in the observatory at Ohio Wesleyan University National Institute of Standards and Technology National Institute of Standards and Technology PD-USGov-NIST PD-USGov National ...
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Keywords: ReflectingTelescope 016.jpg The disk after polishing was set up in the observatory at Ohio Wesleyan University National Institute of Standards and Technology National Institute of Standards and Technology PD-USGov-NIST PD-USGov National Bureau of Standards National Institute of Standards and Technology Reflecting telescopes Telescope mirrors
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