Sir robert stawell ball frs 1 july 1840 25 november 1913 was an irish astronomer who founded the screw theory. Great astronomers written by an astronomer is a homage to the great men in the past it takes you right to the start from the skies of ptolemy to adams. Free kindle book and epub digitized and proofread by project gutenberg. In great astronomers robert stawell ball documents the developments in astronomy from the ancient period to the nineteenth century he begins with a chapter on the life and works of ptolemy
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