@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.
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In the 1930s and 40s, microphones were reshaped into designs that emphasized streamlined beauty and efficiency. The RCA Aerodynamic microphone was designed in a smooth, teardrop shape suggesting that it could fly through the air with frictionless ease. #StreamlinesAesthetics . This tweet was posted on April 19, 2019.