Wet sponge
The sound of a wet sponge cleaning a blackboard
Hardo D 4902
00:00
00:28
About the sound
Hardo Super-mini
HARDO d-4902
Manufactured in 1983 by Bad Salzufen Spezialfabrik für Shuhmascinen in Germany
Motor was replaced in 2000. One can run different wheels with the same motor.
After hammering the heelpiece to the heel, the shoemaker smoothes the edges with the abrasive wheel. This wheel is for smaller heelpieces. After this, the shoemaker brushes the heel to finish it.
Max. dB. 77
Video recorder: Elina Inkinen
Sound recorder: Sami Laaksonen
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