Hydraulic turbines : their design and installation / by Viktor Gelpke and A.H. Van Cleve. Gelpke, Viktor. Van Cleve, Aaron Howell, 1868- joint author. Turbines. TJ870 .G5 627 GEH "The book now issued is to a large extent a translation of a German work entitled 'Turbinen und turbinen anlagen' written by Mr. Viktor Gelpke."--Pref. New York : McGraw-Hill Book Company, c1911. c1911. 1911 Text ix, 293 p. : eng eng ger