system / Louis P. Cain -- Andrew A. Humphreys and the development of hydraulic engineering : politics and technology in the Army Corps of Engineers, 1850-1950 / Martin Reuss -- Engineers and the new South creed : the formation and early development of Georgia Tech / James E. Brittain and Robert C. McMath, Jr. -- At the turn of a screw : William Sellers, the Franklin Institute, and a standard American thread / Bruce Sinclair -- The engineer in 20th-century America / Terry S. Reynolds -- The electrification of America : the system builders / Thomas P. Hughes -- Mirror-image twins : the communities of science and technology in 19th-century America / Edwin Layton. Local history and national culture : notions on engineering professionalism in America / Bruce Sinclair -- The introduction of the loading coil : George A. Campbell and Michael I. Pupin / James E. Brittain -- Charles F. Kettering and the copper-cooled engine / Stuart W. Leslie -- The scientific mystique in engineering : highway research at the Bureau of Public Roads, 1918-1940 / Bruce E. Seely -- Defining professional boundaries : chemical engineering in the early 20th century / Terry S. Reynolds -- Academic entrepreneurship and engineering education : Dugald C. Jackson and the MIT-GE cooperative engineering course, 1907-1932 / W. Bernard Carlson -- The "revolt of the engineers" reconsidered / Peter Meiksins.