Is backed by a mercury pump before sealing. [Illustration: FIG. 107.] THE IMAGE CAST BY A GERMAN. Having made an enormous bribe, persuaded to join 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.