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Harper's Encyclopedia of United States History (ed. Benson Lossing),
Johnson, John Butler 1850- (search)
Johnson, John Butler 1850- Educator; born in Marlboro, O., June 11, 1850; graduated at the University of Michigan in 1878, and became a civil engineer in the United States Lake and Mississippi River surveys. In 1883-98 he was Professor of Civil Engineering in Washington University, St. Louis. Later he was made dean of the College of Mechanics and Engineering in the University of Wisconsin. He was director of a testing laboratory in St. Louis, where all the United States timber tests were made. He also had charge of the index department of the journal published by the Association of Engineering Societies, and compiled two volumes of Index notes to engineering Literature. He is author of Theory and practice of surveying; Modern framed structures; Engineering contracts and specifications; Materials of construction, etc.