Table 302. 



DISSIPATION OF ENERGY DUE TO MAGNETIC HYSTERESIS IN IRON.* 



The first column gives the maximum maj::nctic induction B per square centimetre in c. r. s. units. The other col- 

 umns give the dissipation of energy in ergs per cycle per cubic centimetre (or the iron specified in the foot-note. 



• Ewing and Klassen, " Phil. Trans. Roy. Soc." vol. dxxxiv. A, p. 1015. 



283 



