This building, named Main Engineering, was dedicated on February 22, 1893, with most of the dedication speech focused on the importance of an engineering education to national prosperity and progress.[34] Additional machinery, including Allis-Chalmers triple-expansion steam engine (extensively modified for laboratory instruction and experimentation), was purchased and installed.[35] The engineering program continued to expand its offerings: in 1893, the trustees approved the addition of a course in mining engineering, with Magnus C. Ihlseng (formerly of the Colorado School of Mines) named professor and department head.[35] Electrical engineering fully split from Physics and Electrotechnics, becoming its own department headed by John Price Jackson –who, at age 24, is easily the youngest department head on campus.[36] By 1890, Main Engineering housed four engineering departments (civil, mechanical, mining, and electrical) in space originally intended for two.