About: Eidouranion

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An eidouranion is a kind of orrery that combined mechanical movement with a method of back projection. Its invention is attributed to (1731-1821) who in the 1780s built one measuring 27 feet in diameter. He used it to accompany his lectures on astronomy. It is an ancestor of planetarium projectors. The word "eidouranion" derives from the Greek compound "eid + ouranos". The combining elements are "eidos", which means "what is seen, shape, form", and "ouranos", which was the name of the god of the heavens. Thus, the combined form means "shaped like the heavens" or "formed like the heavens".

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  • Ein Eidouranion ist eine Vorläufererfindung der heutigen Planetarien. Es wurde 1770 von dem englischen Erfinder entwickelt.Es handelt sich um eine Art transparentes Orrery, das an seiner Rückseite mit einem Projektor beleuchtet wird, um auf einer Leinwand die Bewegung der Himmelskörper darzustellen. Meist wurde das Eidouranion zur Unterhaltung genutzt. Dabei wurde während der Vorführung vorgelesen und Musik gespielt. (de)
  • An eidouranion is a kind of orrery that combined mechanical movement with a method of back projection. Its invention is attributed to (1731-1821) who in the 1780s built one measuring 27 feet in diameter. He used it to accompany his lectures on astronomy. It is an ancestor of planetarium projectors. It is known that Adam Walker held lectures featuring the Eidouranium at the Royal Theatre in London in the 1780s and the London Lyceum. The shows were continued by his eldest son, William Walker (1767-1816), from around 1812. The shows were continued through the 1820’s by William’s younger brother Deane Franklin Walker (1778-1865). The word "eidouranion" derives from the Greek compound "eid + ouranos". The combining elements are "eidos", which means "what is seen, shape, form", and "ouranos", which was the name of the god of the heavens. Thus, the combined form means "shaped like the heavens" or "formed like the heavens". (en)
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  • Ein Eidouranion ist eine Vorläufererfindung der heutigen Planetarien. Es wurde 1770 von dem englischen Erfinder entwickelt.Es handelt sich um eine Art transparentes Orrery, das an seiner Rückseite mit einem Projektor beleuchtet wird, um auf einer Leinwand die Bewegung der Himmelskörper darzustellen. Meist wurde das Eidouranion zur Unterhaltung genutzt. Dabei wurde während der Vorführung vorgelesen und Musik gespielt. (de)
  • An eidouranion is a kind of orrery that combined mechanical movement with a method of back projection. Its invention is attributed to (1731-1821) who in the 1780s built one measuring 27 feet in diameter. He used it to accompany his lectures on astronomy. It is an ancestor of planetarium projectors. The word "eidouranion" derives from the Greek compound "eid + ouranos". The combining elements are "eidos", which means "what is seen, shape, form", and "ouranos", which was the name of the god of the heavens. Thus, the combined form means "shaped like the heavens" or "formed like the heavens". (en)
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  • Eidouranion (de)
  • Eidouranion (en)
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