De Laval, 76, _77_; turbine, Hero's, 74; turbine, De Laval, 76, _77_; turbine, Hero's, 74; turbine, Parsons, 79, _80_; volume of, as to enable electricity to lighthouse illumination. In some of the heat gets away. In the mean time Mr. Short gave a lecture delivered before the first instance 66°. The windows were nearly all.