Re: [neonixie-l] Re: Used or NOS?

[GastonP]

I have an NL-840 which has silvering around the mercury giver too. No 
getter in there, though.

On Friday, March 11, 2016 at 4:59:32 PM UTC-3, Alic wrote:
>
> Very nice videos, thanks!
> This explains a lot!
>
> Yes, I thought it was strange that the mirroring was only underneath and 
> not near the numerals, where the sputtering would usually deposit.
>
> This seems to be specific to this model of nixie though or are there 
> others?e
>
>

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Re: [neonixie-l] Re: Used or NOS?

[Alic]

Very nice videos, thanks!
This explains a lot!

Yes, I thought it was strange that the mirroring was only underneath and not 
near the numerals, where the sputtering would usually deposit.

This seems to be specific to this model of nixie though or are there others?

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Re: [neonixie-l] Re: Used or NOS?

[Michail1 via neonixie-l]

Flashing the getter is what makes the mirroring.  Many people think  the 
black or mirror means the tube is used, but it's part of the manufacturing  
process.
 
https://www.youtube.com/watch?v=gQBmt-z0w9g
 
A really good video is by "How It's Made"...
https://www.youtube.com/watch?v=DOR6Pn-tGPo
Getter flashing at 4:25 -- It's worth watching the 5 min vid.
 
Michail  


 
In a message dated 3/11/2016 10:15:07 A.M. Pacific Standard Time,  
al...@gmx.net writes:

I did  not have a chance to test them and measure the voltage and current  
yet.

I'm wondering what that mirroring people are talking about looks  like? 
There is definitely some reflecting deposit on the glass on the lower  part of 
the tube (see the last pictures I  posted).



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Re: [neonixie-l] Re: Used or NOS?

[Alic]

I did not have a chance to test them and measure the voltage and current yet.

I'm wondering what that mirroring people are talking about looks like? There is 
definitely some reflecting deposit on the glass on the lower part of the tube 
(see the last pictures I posted).

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Re: [neonixie-l] Re: Used or NOS?

[Nicholas Stock]

Unless they come wrapped in original boxes, then that's a hard thing to
determine. Even then, you have to take the seller's word for it. If all the
digits illuminate well at the rated voltage and current and there's no
visible darkening or mirroring (this can be quite obvious in well used
nixies), then that's as good as it's going to get I think. There are some
used tubes that will still last years and years and some that don't last
long at all (IN-1's, IN-2's...in my experience...).

On Fri, Mar 11, 2016 at 9:55 AM, Alic  wrote:

> I'm sure they're working fine. That's why I also bought used ones.
> But when I pay for NOS, I would also like to receive NOS.
>
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