Engines of Our Ingenuity 2949: Microphone
Episode: 2949 Who Invented the Microphone? Today, competing claims.
#AlexanderBell #Berliner #DavidHughes #edison #Kelvin #microphone
#AlexanderBell
Trovate il video sul pasticcio telefonico combinato da #FrancescoArtibani e #LorenzoPastrovicchio sul #Topolino #3511 qui al Caffè del Cappellaio Matto su #LoSpazioBianco
https://www.lospaziobianco.it/alcaffedelcappellaiomatto/topolino-3511-pasticcio-telefonico/
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