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Hans Lippershey en de allereerste telescoop | Historiek
Hans Lippershey Invents the Telescope : History of Information
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Hans Lipperhey - Wikipedia
Hans Lippershey Invents the Telescope : History of Information
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Today is Tuesday, April 28 th, 2015 Pre-Class: Take a guess as to what year the telescope was invented. We'll see who gets closest. - ppt download
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Hans Lippershey Biography - German-Dutch lens crafter (1570–1619) | Pantheon
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Hans Lippershey en de allereerste telescoop | Historiek
