MAKE A MEME View Large Image ReflectingTelescope 001.jpg A N Finn chief of NBS glass section with 70-inch mirror National Institute of Standards and Technology 1928-01-01 National Institute of Standards and Technology PD-USGov-NIST PD-USGov National Bureau of Standards ...
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Keywords: ReflectingTelescope 001.jpg A N Finn chief of NBS glass section with 70-inch mirror National Institute of Standards and Technology 1928-01-01 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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