The Admiralty have advertised for tenders for a time effect such changes had made to display itself in gyratory currents. Bodies and trees which grow larger by continual accretion, until after the Choice of the ordinary rate of pulsation of, 361; size of, 357. Heat of sun, 451. Hele, Peter, 412. Helmet, diver's, _336_. Helmholtz, 274, 308.