单词 | declinograph |
释义 | declinographn. An astronomical instrument or arrangement for automatically recording the declination of stars with a filar micrometer. ΚΠ 1883 D. Gill in Encycl. Brit. XVI. 256 It is found with this declinograph on the Berlin equatorial, that the observed declinations have only a probable error of ±0·9″. This entry has not yet been fully updated (first published 1894; most recently modified version published online June 2018). < n.1883 |
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