27-03-2011, 02:18 PM
I think new ones are still being designed? Don't quote me though.. As I said transmitter equipment use them and they might design new ones?
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What was the last valve ?
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What was the last valve ? - by beam me up schottky - 27-03-2011, 11:53 AM
RE: What was the last valve ? - by OldTickTock - 27-03-2011, 12:02 PM
RE: What was the last valve ? - by tiv48 - 27-03-2011, 12:13 PM
RE: What was the last valve ? - by Jamie-Skinner - 27-03-2011, 12:14 PM
RE: What was the last valve ? - by tiv48 - 27-03-2011, 12:40 PM
RE: What was the last valve ? - by beam me up schottky - 27-03-2011, 02:07 PM
RE: What was the last valve ? - by Jamie-Skinner - 27-03-2011, 02:18 PM
RE: What was the last valve ? - by OldTickTock - 27-03-2011, 02:27 PM
RE: What was the last valve ? - by tiv48 - 27-03-2011, 02:43 PM
RE: What was the last valve ? - by Paula A - 27-03-2011, 03:17 PM
RE: What was the last valve ? - by Bushbaby - 27-03-2011, 04:42 PM
RE: What was the last valve ? - by Skywave - 28-03-2011, 11:20 PM
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