JAY EMRIE wrote in a message to THURSTON ACKERMAN:

TA>It may not help much Roy, but you are not alone in your frustration
TA>(remember all the stuying we did about vacuum tube technology, only
TA>to having to start all over again when semi-conductor technology
TA>made the it obsolete ?-(

JE> And now integrated circuitry and micro chips have even made
JE> semi-conductors (transistors, diodes, etc.) almost obsolete!  :-( 

Not really.

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