On Jul 17, 2005, at 1:31 AM, David Lisney wrote:
> Hi, here in the UK it used to be possible to get kits to security mark
> the
> glass in car windows, maybe the kits are still available, may be a
> reasonable approach for your 3-500s, though not sure of the weakening
> effect
> of etching thinner glass. I am constantly amazed at the dishonesty of
> people........ regards David
Recording the serial # is another way of keeping track of tubes.
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Rich Measures, 805.386.3734, AG6K, www.somis.org
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