trailrider
Well-Known Member
How far apart are these generally placed? In the 1940's-'50's. how many lines might be for a double track main line?
I read your question and the title as referring to the lineside telegraph and signal lines. That I cannot answer, sorry. It appears that the answers that you got so far refer to modern day electric/telephone lines which are accurate.How far apart are these generally placed? In the 1940's-'50's. how many lines might be for a double track main line?