The Change from manual to dial operation in the telephone industry
By Ethel Lombard Best
| Year of publication: |
1933
|
|---|---|
| Authors: | Best, Ethel Lombard |
| Publisher: |
Washington : Gov. Print. Off. |
| Extent: | III, 15 S. 8" |
|---|---|
| Series: | |
| Type of publication: | Book / Working Paper |
| Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10002325221