Skip navigation Sign in Search Loading... Close Yeah, keep it Undo Close Watch Queue Queue Remove all Disconnect The next video is starting stop Loading... Watch Queue Queue __count__/__total__ <p class="yt-spinner "> <span class="yt-spinner-img yt-sprite" title="Loading icon"></span> <span class="yt-spinner-message"> Loading... </span> </p> Find out why Close The Voder - Homer Dudley (Bell Labs) 1939 MonoThyratron Subscribe Subscribed Unsubscribe 349 349 Loading... Loading... Working... Add to Sign in to add this video to a playlist. Sign in Share More Report Sign in to report inappropriate content. Sign in Transcript Statistics Add translations 100,169 v...