Skip navigation Upload Sign in Search Loading... Close Yeah, keep it Undo Close Watch Queue Queue Remove all Disconnect 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 Crystals Go to War 1943 Reeves Sound Laboratories; Piezoelectric Quartz Crystals for Radio Jeff Quitney Subscribe Subscribed Unsubscribe 50,441 50K 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 52,562 ...