Discussion on “influence of transformer connections on operation” (Blume), “a study of some three-phase systems” (Fortescue) and “experience of the Pacific gas & electric co. with the grounded neutral” (Jol

Guido Semenza (by letter): Italy is one of the countries of Europe which has largely developed the electric transmission of power from hydroelectric installation. In fact there are in Italy, the area of which is about double that of the State of New York, more than 2400 hydroelectric power houses, nearly all of them provided with transmission and distribution lines. It may be of some interest to you to know the general opinion in this country on the problem under discussion.