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0460000283

Johann Franz Encke (1791-1865) German astronomer; proved that comet of 1818 had already been observed in 1786,1795 and 1805; since called Encke's comet. Engraving

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0460000283.jpg
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Irish Photo Archive
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Johann Franz Encke (1791-1865) German astronomer; proved that comet of 1818 had already been observed in 1786,1795 and 1805; since called Encke's comet. Engraving