History of Telecommunication (1928) - Radio Silence - CharlieDeanArchives / Archival Footage

[@danizh]

Very thorough. Thank you for uploading!

[@andersonvedoveto]

It is impressive how this old videos are clear in the explanations. Nowadays we have better resources, but sometimes it leads to fancy presentations that dirturbs the audience and get away from the focus.

[@neuroxik]

So Bell Labs invented the ear drum and inner ear? Fascinating stuff

[@richarddowney1972]

very well done.