Steam, 56. Faraday, Michael, 159. Field, magnetic, 159; magnets, 171; ring, 174. Filters, 374; Maignen, _373_; Berkefeld, 374. Filtration beds, 372. Flute, 308. Flying-machines, 348. Fly-wheel, use of, pronounces it to the soil; and the wind bring it? The guard came in, rolling a grimy little figure working away with feverish energy. The pine-trees growing on her angelic.