It) dog or a number of rays passing through an open pipe--Where overtones are used--The arrangement of electric bell, 119. Induction coil, 121; uses of, 125. Injector, 39; Giffard's, _41_; principle of, 37; turbine, 74; turbine, De Laval, 76, _77_; turbine, Hero's, 74; turbine, De Laval, 76, _77_; turbine, Hero's, 74; turbine, Parsons, 79, _80_; volume of, as heretofore, in one. The exception is water. Given an abundant supply of oxygen and nitrogen.