Parts
About
Postwar expansion of telephone service made possible by development of microwave radio transmission and the transistor.
- Archive
- Internet Archive, in Prelinger Archives
- Licence or status
- Public domain (Creative Commons dedication), as the Internet Archive states it.
- Credit
- Pathescope Pictures
- Subtitles
- Automatic captions
- Who can watch
- The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed