jebponsonby@gmail.com said: > Though nominally made of copper and zinc, common brass often shows residual > ferro magnetism because it is "recovered" metal and is contaminated with > iron. That brass must never be used in a magnetic instrument have been known > for a very long time. What do people use? -- These are my opinions. I hate spam.

Titanium, it is expensive but strong and non magnetic at all 73 KJ6UHN Alex On 1/17/2017 9:40 AM, Hal Murray wrote: > jebponsonby@gmail.com said: >> Though nominally made of copper and zinc, common brass often shows residual >> ferro magnetism because it is "recovered" metal and is contaminated with >> iron. That brass must never be used in a magnetic instrument have been known >> for a very long time. > What do people use? > >