A video of a beautiful machine from 1890 which creates a high-quality bird song.
Here is the link to the original posting on a Facebook public page.
https://www.facebook.com/cienciaomg/videos/1520446861618265/
A video of a beautiful machine from 1890 which creates a high-quality bird song.
Here is the link to the original posting on a Facebook public page.
https://www.facebook.com/cienciaomg/videos/1520446861618265/
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