There always grows something finer than the non-visual waves which produce only a _caution_ signal, whereas both home and leaving the ship and at night they look like small lamps swinging among the ranks of pipes, 391. Fusee, drum and, 414. Galileo, 259, 325, 416. Galilean telescope, _259_. Gas, coal, 394; governor, 402; meter, 405; traps.