Vertical circle observations made with the five-inch altazimuth instrument, 1898-1907
United States Naval Observatory
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“Vertical circle observations made with the five-inch altazimuth instrument, 1898-1907” by United States Naval Observatory: a public-domain book in “General…
Catalogue details
- Author
- United States Naval Observatory
- Category
- General & Other
- Language
- English
- Source
- HathiTrust