I'm surprised there was no mention of Fernico or Dumet metal. they were designed for this application. [0] https://en.wikipedia.org/wiki/Fernico https://en.wik

I'm surprised there was no mention of Fernico or Dumet metal. they were designed for this application. [0] https://en.wikipedia.org/wiki/Fernico https://en.wikipedia.org/wiki/Fernico