Hand crank siren
The sound of a hand cranked siren. This machine has a handle on the top which has a dual purpose: it helps…

Leipzig VEB Galvanotechik
Made in DDR.
Max dB 68 when operating, max dB 100 when grinding.
There are two rotating abrasive wheels on a bench grinder. Usually the two wheels have different grain sizes for roughing and finishing operations. The grinder is secured to a floor stand.
Sound and video recordist: Aki Laulajainen
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