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Tracts, Physical and Mathematical
其他書名
Containing, an Explication of Several Important Points in Physical Astronomy and a New Method for Ascertaining the Sun's Distance from the Earth, by the Theory of Gravity
出版W. Sands, 1761
URLhttp://books.google.com.hk/books?id=xzmD0AEACAAJ&hl=&source=gbs_api