Brunsviga Nova 13Z Mechanical Calculator
In the audio you can hear the main mechanical functions of a mechanical Brunsviga calculator. These specific models were made in Germany…

The 22nd of May 2018 was the international day for biological diversity. This day in Stockholm there was a manifestation held by several environmental organizations. During the manifestation there was a moment of silence for extinct species.
According to the international union for conservation of nature (IUCN) we are facing a mass extinction of species around the world. Dying species means dying sounds of nature and changes in the ecological soundscapes.
This recording is a starting point for recordings of nature reserves around in Sweden. These places have unique soundscapes that might be gone in the near future if we don’t take better care of our planet.
Sound recording and pictures by Fredrik Johansson
Thanks to Lenam Malmberg who came up with the idea for this recording.
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