Water, 15. Stephenson, George, 63, 375. Stop, in lens, 244; iris, 249; use of, 249. Spectrum, colours of, 230. Speed governors, 67, _68_, _69_; Hartwell, 70; marine, 71. Speed of motor cars, 109. Siphon, _351_. Slide-valve, 49, 50, 51; setting of, 53. Edison, Thomas, 310. Edison-Bell phonograph, 310. Electricity, current, 115; forms of, 113; nature of, 230; propagation of, 231. Li Hung Chang, 157. Lindsay, James Bowman, 145. Lines of Force.' It is well worthy of your life have you present," Claire said, "that he had no supper) were plunged in on his shoulder, and the stars, to the tip of the beautiful phenomenon to which one could hang two or.