Compare Astronomy Explained Upon Sir Isaac Newton's Principles and Made Easy to Those Who Have Not Studied Mathematics by James Ferguson, Paperback
James Ferguson
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To Which Are Added, a Plain Method of Finding the Distances of All the Planets From the Sun, by the Transit of Venus Over the Sun's Disc, in T | Astronomy Explained Upon Sir Isaac Newton's Principles and Made Easy to Those Who Have Not Studied Mathematics by James Ferguson, Paperback