compact and portaole form. Itcan be set in the place of any common water wheel with the same expense of foundation, fiuming, gearing, etc. The inventor’s experience for the last twelve years in building the Jonval turbine, including his experi- ments at the Fairmount Water works, Philadelphia, in… … STEVENSON’S HELICAL .TURBINE. put up and geared, 80 per cent of useful effect will Fig. 1 is a perspective view of the turbine complete. the wheel, which causes a loss of power by friction. be obtained; the experience of the last few years has Tn the hollow shaft is an opening suitable for oiling…
Internet Archive · Public domain (published before 1931). Free to use for anything.
