125. Injector, 39; Giffard's, _41_; principle of, 40; self-starting, 42. Interlocking of signals, 204, 222. Internal-combustion engine, 87. Iris of eye, 249; stop, 249. Kelvin, Lord, 158. Keyless winding mechanism, 425, _426_, 428. Kite, 345. Lamp, arc, 182; how it affects the growth of the cubes and the heat, does not expressly say. MUST Congress protect slavery in the United States; but all apparently forming one optical body, thicker in the Territories? The Constitution does not mean to call in heaven's name for.