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When heat treating carbon steel there is a method that I have used wherby you heat the blade until a magnet will not stick to it. This is the optimum temperature for that particular piece of steel....

I don't think it was for real. Just advertising. Maybe back then they actually believed it. We haven't had electricity for all that long and there was a lot of experimentation with magnets in the...

I was talking to my barber friend who is 84 years old and still a working barber. I asked him about magnetic razors and what the purpose was. He said he remembered some advertising about how the...