Corrosion isn't necessarily a problem. Though it indicates they may have
been stored outside where extreme thermal cycling over time might have
caused the pins to lose seal.
I have had a few tubes die due to stress on the pins from repeated
insertions.
-Dan
On Mon, 2 Apr 2018, Jeff Aylesworth wrote:
I don' know the history on them at all, I rescued them from a garage sale
in my neighborhood. The pins do seem to have a little corrosion in some
cases and in some cases they are not true and perfectly straight. I am
going to try and track down a plasma globe to see if I can see any signs of
life and go from there.
Thanks for the replies!
Jeff
On Monday, April 2, 2018 at 9:41:58 AM UTC-7, Jeff Aylesworth wrote:
Hi,
Thanks for adding me to the group.
I picked up a case of IN18 tubes at a garage sale in my area. I assembled
the Nixie Tester Kit as sold by Marcin Saj to test them, but can only get
one of 26 to work. His support in trying to see if my tubes were good has
been nothing short of amazing.
The tubes all appear to be new and unused and are pristine on the inside
and in the original carton. Which I why I struggle with the fact that none
of them seem work (save for 1).
I am looking for someone in the Seattle area that has an IN18 clock or
device and more electrical experience than to see if the tubes are any good.
Thanks!
Jeff
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