> 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.
That's right.  When opened wide (full excitation) they let a LOT of electrons 
flow!  Cut-Off (biased) nothing goes through, does it?
Valves, they are.
73 = Best Regards            -Jeff KA5THB
ka5thb@bigfoot.com
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