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Page:Popular Science Monthly Volume 73.djvu/319

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THE INDUSTRIES OF NIAGARA FALLS

PSM V73 D319 Step up transformer plant of the niagara power company canada.png

"Step up" Transformer Plant of Canadian Niagara Power Company.

 

PSM V73 D319 Transformer plant of the niagara power company canada.png

Transformer plant of Niagara Palls Power Company.

 

PSM V73 D319 Switchboards of the step up transformers of the niagara power company canada.png

11,000-volt Switchboard and Bars in "Step up" Transformer,
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