Tests of Tungsten Lamps, Vol. 6 (Classic Reprint)

Excerpt from Tests of Tungsten Lamps, Vol. 6

The Engineering Experiment Station was established by action of the Board of Trustees December 8, 1903. It is the purpose of the Station to carry on investigations along various lines of engineering and Это и многое другое вы найдете в книге Tests of Tungsten Lamps, Vol. 6 (Classic Reprint)