Reinforced concrete poles for electrical transmission and traction systems.

1935 ◽  
1893 ◽  
Vol 22 (108) ◽  
pp. 534-569 ◽  
Author(s):  
J.A. Fleming ◽  
W.M. Mordey ◽  
Gisbert Kapp ◽  
S.P. Thompson ◽  
James Swinburne ◽  
...  

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