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Turner, Steven. 2012. “Introduction To Wave Models From The National Museum Of American History”. Smithsonian National Museum of American History. https://www.youtube.com/watch?v=5Qm8WQgDlSg.

Turner, Steven. 2012. “Introduction To Tuning Forks From The National Museum Of American History”. Smithsonian National Museum of American History. https://youtu.be/arP0Jq35dws.

2012. “Demonstration Acoustic Siren”. Smithsonian National Museum of American History. https://www.youtube.com/watch?v=Rs7CC4pdJeM.

2012. “Rotator Siren”. Smithsonian Institution. https://www.youtube.com/watch?v=hzoelA3Pm8E.

2012. “Introduction To Resonance With Artifacts From The National Museum Of American History”. Smithsonian National Museum of American History. https://www.youtube.com/watch?v=Rn93ure-Fa8.

Chladni, Ernst Florens Friedrich. 2012. “Chladni Plate Demonstration From The National Museum Of American History”. Smithsonian National Museum of American History. https://youtu.be/KEttRmu2kGk.

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Tefi Werke,. n.d. The Tefifon Tape Player (Video). Cologne.