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.
| Release Date | July 3, 1951 | |
|---|---|---|
| Status | Released | |
| Original Title | The Invisible Link | |
| Runtime | 11min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | Australia | |
| Production Companies | Australian Commonwealth Film UnitAustralian Department of InformationAustralian National Film Board | |