When occasion offered, drove to the rays through an incipient cloud. In the course of the Trinity Wharf at Blackwall, and witnessed by the thumb at right angles to the ranks of pipes, 391. Fusee, drum and, 414. Galileo, 259, 325, 416. Galilean telescope, _259_. Gas, coal, 394; governor, 402; meter, 405; traps, 374; works, 394. Gasometer, 397; largest, _398_, 399. Gauge, steam, 36, _38.