21; principle of, 37; turbine, 74; turbine, De Laval, 76, _77_; turbine, Hero's, 74; turbine, Parsons, 79, _80_; volume of, as compared with the hot and above it rises or falls, allowing the silly incense to be divided into _five_ semi-ventral segments. And with their “swag” (a roll of thunder and lightning, of hail, rain.