How does a mechanical scale restoration|| spring scale very old and rusty

How does a mechanical scale restoration|| spring scale very old and rusty
Hello friends
In this video we restore an old rusty spring scale (Pocket Balance). It is about 60 years old and made in Germany. The maximum capacity of this scale is 100 kilograms which made it quite challenging to test.
This work will take us about 24 hours
We hope you will like our restoration work on this pocket balance by watching this video.
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