bn:01580456n
Noun Concept
Categories: Inventions by Christiaan Huygens, History of astronomy, Telescope types, Science and technology in the Dutch Republic
EN
Aerial telescope
EN
An aerial telescope is a type of very long focal length refracting telescope, built in the second half of the 17th century, that did not use a tube. Wikipedia
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EN
An aerial telescope is a type of very long focal length refracting telescope, built in the second half of the 17th century, that did not use a tube. Wikipedia
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