474 



E. J. LUND 



n — 



4^ f 



M. 0^ ^ 



Fig. 2 shows the method for supplying satisfactory conditions for regeneration. 



The paraffin bath, A, has two identical troughs, m and n, through which a stream 



of sea-water flows from I, the rate of flow of which is regulated by the stopcock, s. 



An electric current from storage cells, e, is passed through m, while n is used 



for the control. The cotton bridge, iv, acts as sc siphon to prevent products of 



