Book deals with committee and subcommittee reports, specifications, papers and discussions.
Telegraph and telephone section
Assn Am Railroads -- Proc
Association of American Railroads -- Meeting ; 1936 Telephone communication
1936
777 pages
Tables, Diagrs, Illustrations
Conference Proceedings
English
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Telegraph and telephone section
Engineering Index Backfile | 1930
Inductive interference in telegraph and telephone circuits
Engineering Index Backfile | 1921
|Railroad telegraph and telephone saw big change in 1945
Engineering Index Backfile | 1946
|Protection of telephone and telegraph circuits on single-phase railway
Engineering Index Backfile | 1935
Motor cars for use by telegraph and telephone line men
Engineering Index Backfile | 1914
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