Telephone service.
| Format: | Government Document eBook |
|---|---|
| Language: | English |
| Published: |
[Washington?] :
U.S. Government Printing Office,
1921.
|
| Series: | Standards Bur. Circ. No. 112
|
| Subjects: | |
| Online Access: | Connect to the full text of this electronic document |
| Item Description: | [On history, equipment, and operating procedures; with data on telephones, calls, systems and lines, wires, andexchanges, for selected years 1880-1917] Includes index Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource. |
|---|---|
| Physical Description: | 1 online resource (214 pages) |
| Format: | System requirements: PDF reader software. |