14 Feb
2008
14 Feb
'08
8:37 a.m.
dwight elvey wrote:
Hi
I didn't say couldn't just didn't exist then. They surely could have
been made, including sealing. Remember, they were making
triode vacuum tubes by then. look up audiotron.
Dwight
Umm ... The inventor had no idea how they worked,
so scrap that idea.