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Selenium rectifier story:
When I was a freshman in college people said "he's fixed more radios
than you've turned on" and it probably was true. A good friend
said his radio was kaput, could I fix it? So I went to his room,
took one step inside the door and said, correctly, "your radio has
a very very bad selenium rectifier". (He was an ee major, I was
chemistry). I'm surprised he wasn't in the hospital. I nice new Si
rectifier (these were just beginning to replace Se at that time) fixed it.
It took weeks for the smell to get 100% out of all the furniture.
The caps had survived the bad Se.
Doug McDonald
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