http://www.archive.org/details/grinnellvariable00eyer Thesis (B.S.)--Armour Institute of Technology, 1908 B.S. in Fire Protection Engineering,... Show morehttp://www.archive.org/details/grinnellvariable00eyer Thesis (B.S.)--Armour Institute of Technology, 1908 B.S. in Fire Protection Engineering, 1908 Show less