Video
2012. “Demonstration Acoustic Siren”. Smithsonian National Museum of American History. https://www.youtube.com/watch?v=Rs7CC4pdJeM.
Video
2012. “Rotator Siren”. Smithsonian Institution. https://www.youtube.com/watch?v=hzoelA3Pm8E.
Video
Fondazione Scienza e Tecnica,. (17 August 2015AD) 2015. “Demonstration Of A Disk Siren”. Florence, Italy: Fondazione Scienza e Tecnica. https://www.youtube.com/watch?v=9OHfQLtMWWc.
Contributor essay
by
Paolo Brenni

The scientific instruments used for research and teaching in the nineteenth and early twentieth century are beautiful and fascinating artifacts.

Video
University of Michigan,. (25 July 2014AD) 2014. “Siren Disk Demo – The Musical Scale”. Houghton, Michigan: Michigan Technological University. https://www.youtube.com/watch?v=Hpt2LWgGQwo.
Contributor essay
by
David Pantalony; Erich Weidenhammer; Victoria Fisher

The University of Toronto acoustics collection consists of a comprehensive series of instruments made in the Parisian workshop of Rudolph Koenig (1832