http://www.archive.org/details/researchesonwate00butt Thesis (B.S.)--Armour Institute of Technology, 1919 Bibliography: leaves 88-90 B.S. in... Show morehttp://www.archive.org/details/researchesonwate00butt Thesis (B.S.)--Armour Institute of Technology, 1919 Bibliography: leaves 88-90 B.S. in Chemical Engineering, 1919 Show less