Public domain
Dr. Henry S. Washington, of the Carnegie Institution of Washington, is making a series of chemical analyses of the lavas of the volcanoes of the Hawaiian Islands for the purpose of studying the composition of the floor of the Pacific Ocean and the constitution of the earth
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineDr. Henry S. Washington, of the Carnegie Institution of Washington, is making a series of chemical analyses of the lavas of the volcanoes of the Hawaiian Islands for the purpose of studying the compos. 1924-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.