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Some Remarks upon the Method of Observing the Differences of Right Ascension and Declination by Cross Hairs in a Telescope. By Dr. Edm. Halley, Astr. Reg. R. S. S.

✍ Scribed by Halley, Edm.

Book ID: 120119550
Publisher: The Royal Society
Year: 1721
Weight: 373 KB
Volume: 31
Category: Article
ISSN: 0261-0523
DOI: 10.1098/rstl.1720.0028

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