Hello Jeff,
JE-> > In all other countries the american influence has
JE-> > "made them" tubes.
JE->American influence or not, "VALVE" is a better description for big
JE->glass vacuum bottles, with filaments.
Hmm, in my opinion valve is something that can be opened or closed.
73 es merry XMAS de OH0NC, Sam
 * OLX 2.2 * So many messages, so little time!
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