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|All Authors / Contributors:||
|Notes:||Extracted from: Philosophical Transactions of the Royal Society of London, v. 71 1781.
Master microform held by: Readex.
|Description:||p. 492-501,  folded leaves of plates : ill.|
|Series Title:||Landmarks of science.|
|Other Titles:||Philosophical Transactions of the Royal Society of London.|
|Responsibility:||by Mr. Herschel ; communicated by Dr. Watson ; read April 26, 1781.|