Diffuser
When mining coal or other minerals took the miners ever deeper into the ground, it became necessary to ventilate the shaft, in…
The inside of a train – a soundscape
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About the sound
This is a soundscape from an ordinary train ride through Sweden.
Sound recording and photography: Fredrik Johansson
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Radio Nikola Tesla 2- changing frequency
The sound of changing the radio frequency. Radio is from the collections of the Technical Museum of Slovenia. It was produced in…
Electric shunting machine
The sound of an electric shunting machine operating in a coal mine. It is suspended from an overhead monorail and used to…
Sharpening the wood planer (lutherie)
The planer blade is sharpened on a grindstone with a water stone. In order to work with wood, the desirable angle for…