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A Letter from Mr. John Winthrop, Hollisian Professor of Mathematics and Astronomy at Cambridge in New-England, to C. Mortimer, M. 'D. Sec. R. S. concerning the Transit of Mercury Over the Sun, April 21. 1740. and of an Eclipse of the Moon, Dec. 21. 1740
Philosophical Transactions (1683-1775)
Vol. 42 (1742 - 1743), pp. 572-578
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/104214
Page Count: 7