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Observations Made by Mr. Hook, of Some Spots in the Sun, Return'd after they Had Passed Over the Upper Hemi Sphere of the Sun Which is Bid from Us; According as Was Predicted
Philosophical Transactions (1665-1678)
Vol. 6 (1671), pp. 2295-3001
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/101107
Page Count: 8