THE INDUSTRIES OF NIAGARA FALLS 



3*5 



AV 



r&T 





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



Transformer plant of Niagara Palls Power Company. 



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 



