| 单词 | parallactic telescope |
| 释义 | > as lemmasparallactic telescope parallactic telescope n. now historical a telescope mounted equatorially, used for measuring stellar parallax. ΚΠ 1765 Philos. Trans. 1764 (Royal Soc.) 54 363 The parallactic telescope ought to be nearly of equal goodness with the transit telescope. 1870 J. Thomas Universal Pronouncing Dict. Biogr. & Mythol. 961/2 He [sc. Fraunhofer]..constructed the great parallactic telescope of Dorpat. 1935 M. S. Libby Attitude Voltaire to Magic & Sci. iii. 98 He [sc. Voltaire] explains..the measuring of the parallax of the fixed stars by Bradley using the parallactic telescope invented by Molineux and Graham in 1725. < as lemmas |
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