PLA.TE III. 



Fi(j. (i. — Sliowinjf distis'in'einent of trees caused hy 

 lii.uli-tciision Mlterniitiiifi: current wires. 



i'm. i). - 



>lio\\ inn' ele((rol\ sis of ,u;is ijijies. (After A. A. Kmiilsou, 

 " Corrosion of Metals liy Electrolysis.") 



