Refracting telescope without a tube, designed by Christiaan Huyghens c1650 (1724). Artist: Unknown

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Refracting telescope without a tube, designed by Christiaan Huyghens c1650 (1724). From an edition of Huyghens' Opera Varia, 1724.

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Size: 2966px × 3533px
Location: World,Europe,Netherlands
Photo credit: © Ann Ronan Picture Library/Heritage-Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, /, 17th, 18th, ann, astronomer, astronomy, black, century, christiaan, christian, concept, country, dutch, eighteenth, engraving, guy, holland, huygens, huyghens, innovation, location, male, man, men, monochrome, observation, observing, optics, people, pictures, refracting, ronan, science, seventeenth, technology, telescope, unknown, white