Electric Waves

THE essay under review consists essentially of two parts. In one of them the author aims at a restatement of electrodynamic theory in a manner which will avoid what he considers to be the difficulties of the existing dynamical expositions. The other part contains new developments relating to the mode of propagation of electric radiation, its emission and absorption by resonating wire circuits, and the dynamical laws of its diffraction by obstacles.Electric Waves.Being an Adams Prize Essay in the University of Cambridge. By H. M. Macdonald., Fellow of Clare College. Pp. xiii + 200. (Cambridge: University Press, 1902.) Price 10s.