THE INDUSTRIES OF NIAGARA FALLS
315
"Step up" Transformer Plant of Canadian Niagara Power Company.
Transformer plant of Niagara Palls Power Company.
11,000-volt Switchboard and Bars in "Step up" Transformer,
plant of Canadian Niagara Falls Power Company.
plant of Canadian Niagara Falls Power Company.
charcoal and lampblack; in the crystallized form as diamond, and in the graphitic form as graphite. Until the discovery of a process for making graphite out of amorphous carbon the only source of supply
