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Edmundus Halleius,

Edmundus Halleius,Astronomus Regius et Geometriae Professor Savilianus.

T. Murray pinx 1712. John Faber Fecit 1722
Sold by Faber in fountain Court near ye Fountain Taverne in the Strande
Mezzotint, sheet 365 x 260mm (14¼ x 10¼"). Repaired damage upper right; rare in this state.
Edmond Halley (1656-1742), astronomer. He went to the University of Oxford, where he studied the theories of Sir Isaac Newton. Because he was so intrigued with these theories, it inspired him to write the Principle which he published with his own money in 1687. In 1721 he was made Astronomer Royal and began an 18 year study of the moon's complete revolution through its ascending and descending nodes. During his life he also wrote another important treatise called Astronomiae Cometicae Synopsis (Synopsis on Cometary Astronomy). It was started in 1682 and published in 1705. In this he mathematically demonstrated that comets move in a elliptic orbits around the sun and how over time they would pass the same point. He had such an accurate prediction that when the comet (now Halley's Comet) returned in 1758, it validated his theory. Engraved from a portrait by Thomas Murray (Bodleian Libraries, University of Oxford). Murray's painting shows Halley pointing to a globe with buildings behind him, although the composition has been reduced and the background removed here.
Ex: collection of the late Hon. C. Lennox-Boyd; CS i/iii ('one known')
[Ref: 34102]  £290.00


 

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