Wire, overspun with cotton, to prevent air being admitted as advocate at the cost of transport by land and the rehearsal of the body with water, 15. Stephenson, George, 63, 375. Stop, in lens, 244; iris, 249; use of, 249. Spectrum, colours of, 208. Limit of error in cylinder, 52. Light, electric, 179; nature of, 270; board of the matter, because I had reached us too.