# BSTJ 9: 3. July 1930: A General Switching Plan for Telephone Toll Service. (Osbourne, H.S.)

Bell System Technical Journal, 9: 3. July 1930 pp 429-447. A General Switching Plan for Telephone Toll Service. (Osbourne, H.S.)

- Kind: Magazine
- Series: BSTJ 9: 3. July 1930: A General Switching Plan for Telephone Toll Service
- Year: 1930
- Archive: [Internet Archive](https://archive.org/details/bstj9-3-429)
- Licence or status: none stated by the archive
- Who can read it: Tweens profiles and older (placed by Invisible Network from what the archive says)

[Read it](https://invisiblenetwork.ai/print/ia/bstj9-3-429/read)