Transmission line crossings of railroad rights-of-way
|Author(s):||Allen H. Babcock|
|Publisher:||IEEE - Institute of Electrical and Electronics Engineers, Inc.|
|Publication Date:||1 June 1910|
|Page(s):||885 - 889|
It is necessary to protect: 1. The railroad communication circuits (telegraph, telephone and signal) from mechanical injury and from contact with high tension wires.