The book A History of Science 2 was written by author Williams, Henry Smith, 1863-1943 Here you can read free online of A History of Science 2 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A History of Science 2 a good or bad book?
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Accuracy as to time is absolutely essential in astronomy, but until the in- vention of Huygens 's clock there was no precise, nor even approximately precise, means of measuring short intervals. Huygens was one of the first to adapt the micrometer to the telescope — a mechanical device on which all the nice determination of minute distances depends. He also took up the controversy against Hooke as to the superiority of telescopic over plain sights to quad- rants, Hooke contending in favor of the... plain. In this controversy, the subject of which attracted wide at- tention, Huygens was completely victorious; and Hooke, being unable to refute Huygens's arguments, exhibited such irritability that he increased his already general unpopularity. All of the arguments for and against the telescope sight are too numerous to be given here. In contending in its favor Huygens point- 219 A HISTORY OF SCIENCE ed out that the unaided eye is unable to appreciate an angular space in the sky less than about thirty seconds.
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