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An Elementary Treatise on Astronomy. In Two Parts
John Gummere
其他書名
The First, Containing a Clear and Compendious View of the Theory. The Second, a Number of Practical Problems
出版Kimber & Sharpless, 1822
URLhttp://books.google.com.hk/books?id=1E7FN5IxgdEC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN