![The Invisible Link](/dq-content/themes/movie/img/no-cover.jpg)
The Invisible Link
Radio is one of the most important communication technologies ever invented and has been a vital tool in helping Australians overcome the tyranny of distance both nationally and internationally.
- Year: 1951
- Country: Australia
- Genre: Documentary
- Studio: Australian Commonwealth Film Unit, Australian Department of Information, Australian National Film Board
- Keyword:
- Director: Bern Gandy
- Cast: