Norway 



301 



is difficult to secure parallelism when so many long arms have to- 

 be notched for and attached individually, perhaps at different 

 times and by different men. On the other hand, the English 

 method permits of arms being added exactly as they are wanted ; 

 while a frame must contain a certain number of spare arms, 

 representing unremunerative capital, to allow for developments. 



FIG. 103 



But if the Norwegians with microscopic tariffs can afford to invest 

 capital in neat and pleasing workmanship, such poles should not 

 be absolutely beyond our own reach. There is at present no 

 underground work in existence in Norway, but it is proposed to 

 make a beginning with it in connection with the change to metallic 

 circuits shortly to be commenced in Christiania. 



