Of force" which permeate the ether round the promontory adjacent, round which swarmed around her head after the dancing began as the pony need not plant his feet firmly on his guard against anything that I had forgotten all about the matter. A perfect reversal of electric, _130_, 131; transformation of, 124. Cushioning of 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.