On 16-05-04 02:09 PM, David Forbes wrote:
I have handled a lot of 5870 tubes, making Nixie watches. About 4,000 so
far.
I have noticed that there are different diameters of lead wires on these
tubes. (The lead wires are cast into the glass header, and the cathodes
are spot-welded to them.)
The t
Or maybe the wire manufacturer had some pretty sloppy tolerances!!! Ira.
On 5/4/2016 1:53 PM, Jonathan F. wrote:
Do they have date codes on it? Maybe at some times they a specific wire was not
available.
Maybe they were made at different factories/machinea
Or it wasnt a parameter that was c
Do they have date codes on it? Maybe at some times they a specific wire was not
available.
Maybe they were made at different factories/machinea
Or it wasnt a parameter that was critical for the manufacturer. Like that
little glass stem on some tubes.
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I have handled a lot of 5870 tubes, making Nixie watches. About 4,000 so
far.
I have noticed that there are different diameters of lead wires on these
tubes. (The lead wires are cast into the glass header, and the cathodes
are spot-welded to them.) The different wires tend to be mixed together