Didn't see this post on the digest?  Will try this again.

> If you have the book Electronic Counting Circuits by Dance, a lot of his
> trigger tube counter circuits use Z700 U tubes. These are 4 lead trigger
> tubes with the primer electrode for consistant firing even in darkness.
> So if you want to build a trigger tube clock this may help.  I have found
> a source for these on E-bay his E-bay ID is supra_buyer.  I have no
> relationship with this seller.  I purchased 6M-E5 miniature Eye tubes from
> him in the past, the deal for the Z700 Us is my second transaction.  I
> purchased the Z-700U tubes in a buy it now sale E-bay # 280619094369.  The
> sale was for 10 tubes for $5.00 Plus the cost of shipping.  I purchased a
> fairly large quantity of Z700 U  tubes from him directly.  He said that he
> has more of these tubes.  I told him that I would let the group know about
> them.  If anybody is interested they can contact him directly about these
> tubes.   Again I have no relationship with this seller other than as a
> buyer.  From my transactions I would say he has been honest with me.
>
>
>


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