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history - How did Johannes Hevelius' long telescope work? Why all the round holes? - Astronomy Stack Exchange
![Ordering the Heavens: Hevelius's Revolutionary 17th-Century Star Catalog and the First Moon Map – The Marginalian Ordering the Heavens: Hevelius's Revolutionary 17th-Century Star Catalog and the First Moon Map – The Marginalian](https://www.themarginalian.org/wp-content/uploads/2014/08/moon.jpg?fit=600%2C315&ssl=1)
Ordering the Heavens: Hevelius's Revolutionary 17th-Century Star Catalog and the First Moon Map – The Marginalian
![Johannes Hevelius, German Astronomer, 1647 Stock Image C045/0907 Science Photo Library | Telescope Scientific Revolution | wcsit.mx Johannes Hevelius, German Astronomer, 1647 Stock Image C045/0907 Science Photo Library | Telescope Scientific Revolution | wcsit.mx](https://www.nombresuniverso.com/wp-content/uploads/2016/10/hevelius_con_telescopio.jpg)
Johannes Hevelius, German Astronomer, 1647 Stock Image C045/0907 Science Photo Library | Telescope Scientific Revolution | wcsit.mx
![Amazon.com: Hevelius Telescope Nthe Longest Telescope Of Johannes Hevelius Engraving 1670 Poster Print by (24 x 36): Posters & Prints Amazon.com: Hevelius Telescope Nthe Longest Telescope Of Johannes Hevelius Engraving 1670 Poster Print by (24 x 36): Posters & Prints](https://m.media-amazon.com/images/I/71z5cigIetL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Hevelius Telescope Nthe Longest Telescope Of Johannes Hevelius Engraving 1670 Poster Print by (24 x 36): Posters & Prints
![The Large Astronomical Telescope Of Johannes Hevelius 1611-1687 Illustration From Machina Coelestis Photograph by Polish School - Fine Art America The Large Astronomical Telescope Of Johannes Hevelius 1611-1687 Illustration From Machina Coelestis Photograph by Polish School - Fine Art America](https://images.fineartamerica.com/images-medium-large-5/the-large-astronomical-telescope-of-johannes-hevelius-1611-1687-illustration-from-machina-coelestis-polish-school.jpg)
The Large Astronomical Telescope Of Johannes Hevelius 1611-1687 Illustration From Machina Coelestis Photograph by Polish School - Fine Art America
![history - How did Johannes Hevelius' long telescope work? Why all the round holes? - Astronomy Stack Exchange history - How did Johannes Hevelius' long telescope work? Why all the round holes? - Astronomy Stack Exchange](https://i.stack.imgur.com/1I0eh.jpg)