Sewage -- Purification -- Research.

Scope and Contents The papers of Massachusetts Institute of Technology (MIT) civil engineering graduate Allen Hazen contain records of his career as a consulting engineer, specializing in water supply and purification. The typescript by Dennis Sebian of his Hazen biography "Pioneer Engineering" in box 26 of the collection provides a detailed analysis of Hazen's importance in the discipline of water engineering in the early twentieth century. Allen Hazen advised a large number of cities and towns in...

Scope and Contents The collection contains the papers of John G. Trump, 1907-1985, professor of electrical engineering at the Massachusetts Institute of Technology (MIT). It includes material about Trump's study of the use of energized electrons to disinfect municipal sludge; patents issued to Trump and Robert J. Van de Graaff; and information about Trump's involvement with professional associations and other professional activities.One can also find in this collection administrative and research...