(1917) Telephone Transmission, July 11, 1917. Iowa State University
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Telephone_Transmission.pdf File Size:6MB |
Abstract
This booklet explains how the electric circuits work in telephone transmission.
| Item Type: | Departmental Report |
|---|---|
| Note: | Engineering Extension Department Bulletin 31 |
| Keywords: | By: Wright, Charles Allen, 1884- Contributor(s): Iowa State College of Agriculture and Mechanic Arts. Engineering Extension Department; Telephone lines - Design and construction |
| Subjects: | Utilities and communications > Electric utilities Utilities and communications > Telecommunications |
| ID Code: | 44480 |
| Deposited By: | Pamela Rees |
| Deposited On: | 22 May 2023 16:23 |
| Last Modified: | 22 May 2023 16:23 |
| URI: | https://publications.iowa.gov/id/eprint/44480 |