Welded rails; mechanized control of rail conditions; use of prestressed concrete shells for railroad station roofs; modernized freight handling installations; examples of modernization of passenger traffic; switching and signaling innovations.
Modernization of railroad installations in Germany covering construction and working methods
Modernisierung der Bahnanlagen
Glasers Annalen ; 79 , n 8
1955
11 pages
Article (Journal)
German
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