Coal Mine Prosper Haniel V – Hydraulic Impact Wrench
In December 2018 Prosper Haniel, the last active coal mine of the Ruhr area, was closed down. Before the end “Sounds of…
Sharpening of an axe with a grindstone
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About the sound
In the audio you can hear the sounds of axe sharpening. The sharpening machine is self made and it works with electricity.
In the recording you can first hear the machine turn on, the grindstone starting to turn, water being poured into the grindstone, the axe blade touching the stone and eventually the machine being turned off.
Sound, photo, video: Antti Makkonen
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