Requirements for overhead railroad crossings are discussed and method used by large operating company to bring telephone lines under railroad tracks described.
Wire crossings over and under railroads
Telephone Engr Mgmt
Telephone Engineer and Management ; 51 , n 12
1947
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Transmission line crossings over railroads
Engineering Index Backfile | 1908
|Pipeline crossings under railroads and highways
Engineering Index Backfile | 1964
|Railroads and highway crossings
Engineering Index Backfile | 1936
|Railroads work to make crossings safer, smoother
British Library Online Contents | 1999
Designing pipe line crossings of railroads and highways
Engineering Index Backfile | 1960
|