Title :
Discussion on ``Transmission Line Towers and Economical Spans´´ and ``Lightning-Rods and Grounded Cables as a Means of Protecting Transmission Lines against Lightning,´´ at Niagara Falls, N. Y., June 26, 1907
Keywords :
"Transmission lines","Poles and towers","Cables","Protection","Lightning","Costs","Steel","Galvanizing","Power transformer insulation","Construction"