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|All Authors / Contributors:||
S P Langley; National Academy of Sciences (U.S.)
|Notes:||"Read by abstract, April 19, 1888."
First plate on folded leaf.
|Description:||p. 7-18,  leaves of plates : ill. ; 30 cm.|
|Series Title:||Memoirs of the National Academy of Sciences, v. 5, 1st memoir.|
|Responsibility:||by S.P. Langley.|