http://www.archive.org/details/fireextinguisher00giel Thesis (B.S.)--Armour Institute of Technology, 1914 B.S. in Fire Protection Engineering,... Show morehttp://www.archive.org/details/fireextinguisher00giel Thesis (B.S.)--Armour Institute of Technology, 1914 B.S. in Fire Protection Engineering, 1914 Show less