Read before the Assn. of Ry. Tel. Supts. Results of experience, with suggestions. (2000 w.) (No. 53172 A)
Maintenance of railway telephone equipment
Tel Engr
1914
Article (Journal)
English
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Engineering Index Backfile | 1918
|Tema Archive | 1982
|Maintenance of railway equipment
Engineering Index Backfile | 1916
|