POWER DEVELOPMENT AT NIAGARA. 



623 



for the construction of larger and larger machines, and the re- 

 quirements are just as steadily being met without difficulty), and 

 yet this very tangible dislike of their use for power transmission 

 undoubtedly exists. The result is that, without undertaking con- 

 siderable work on new ground in the way of patterns, designs, 

 etc., no company could obtain such machines ; and since the alter- 

 nating current has had practically the exclusive attention of the 

 laborers in the field of electrical power transmission there is no 



Niagara Kiver. 



Coffer dam holding water back during 

 wheel-pit construction \vork. 



|s|-- Power house. 



SR 

 s|-- . P, P, P, penstocks. 



H 



-~ W heel case. 

 >> 

 ||h- Turbine shaft. 



FIG. 6. RIVER, 



CANAL, WHEEL PIT, AND TAIL-HACK Tn 



method, tried on the large scale, for the other. The second dis- 

 advantage referred to is the greater cost of motor transformers 

 over the simple stationary ones for alternating work. In view, 

 however, of the fact of the proposed installation of these very 

 motor transformers in adapting the alternating current to the 

 arc lighting of Buffalo, and to the aluminum smelting works at 

 Niagara, it would seem that this objection could not count for 

 very much. 



In connection with the Niagara Falls work there is the further 



