Statistical review of railroad communications construction in United States and Canada; while there were slight decreases in some phases of communications installation during 1949, favorable overall record was made, and construction prospects for 1950 appear favorable at this time.
Printers, long-distance phones and carrier up
Ry Signaling Communications
Railway Signaling and Communication ; 43 , n 1 ; p 30-33
1950
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
British Library Online Contents | 2009
All-terrain pipe transporting gun carrier for long-distance petroleum pipelines
European Patent Office | 2022
|Tema Archive | 1978
British Library Online Contents | 2007