'Niagara milks the cows', Harpers
Tags: 1920s; 1924; 1924-9-1; Bru�re, Robert W.; civil engineering; Engineering; Hydroelectric power plants; Niagara Falls (N.Yand Ont.); Ontario; United States; Water-power
'Electricity and civilization', Harpers
Tags: 1920s; 1922; 1922-1-1; Direct energy conversion; Dwellings; Electric power production; Electrical Engineering; Electrification; Energy consumption; Engineering; Hydroelectric power plants; Steinmetz, Charles Proteus; United States
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