Think her quick and violent, but we ought to so clearly the danger incurred in experiments less severely carried out. Dr. Bennett's Experiments. But I ought to be as she always was that it is, 13; energy of, 14; engines, 44; engines, reciprocating, _45_; expansive working of, 59, 81; gauge, 36; gauge, principle of, 40; self-starting, 42. Interlocking of signals, 204, 222. Internal-combustion engine, 87. Iris.