Speaking of anodes did you see these tubes? [image: s-l400 (97).jpg] Where are the anodes in these big Mama's?
Bill On Tuesday, September 8, 2020 at 9:24:58 AM UTC-7 Bill Notfaded wrote: > Another neat one is the ultra fine mesh IN-8 nixies. Harder to find but > really look great! http://www.swissnixie.com/tubes/IN8FINE/ > > Bill > On Tuesday, September 8, 2020 at 5:06:35 AM UTC-7 Paul Andrews wrote: > >> I would say that the different anode styles are definitely an attempt to >> trade off effectiveness, visibility and ease of manufacture. >> >> Some early nixies didn’t have an anode mesh. They just used the cage at >> the back. I guess this wasn’t too successful though given that all later >> nixies have the grid. Some (a lot of?) nixies have an additional anode, >> part way up the stack of digits, it is usually shaped like a 1. I have >> multiple types of top view nixie that have a rectangular anode grid that >> doesn’t cover the whole stack - these tend to be later versions of the same >> model, so it would seem that the design was continually being refined, >> which is not really surprising. Off the top of my head, the only one I can >> remember like this is the CD27. This tube also has the grid set two digits >> down in the stack. Finally, the planar ZM1350 uses a transparent coating of >> tin oxide as the anode grid. The technology evidenced in these tubes is >> quite advanced, but ultimately short lived. >> >> My favorite anodes are the horizontal grids found in the ZM1177, ZM1175 >> etc., not to forget the unique grid of the ZM1212/ZM1210. >> >> On Sunday, September 6, 2020 at 8:41:20 AM UTC-4 Robert G. Schaffrath >> wrote: >> >>> Just theorizing but it would appear to be for legibility. The anode has >>> to cover the the surface area of every digit for uniform lighting and >>> firing current. At the same time, too much anode material blocks the light. >>> Of the various tubes I have, Rodan GR-111Pa’s use a very fine spiral type >>> wire. B7971’s use something akin to window screen. My Philips ZM-1022’s use >>> a honeycomb type anode. IN-12’s use a square hole anode. Some small >>> Burroughs Nixies I have use a microdot type screen. Really seems to be a >>> trade off between surface coverage and legibility. >>> >>> On Saturday, September 5, 2020 at 10:19:13 PM UTC-4 Terry Bowman wrote: >>> >>>> I've noticed that Nixies have different kinds of anodes. Some have a >>>> fine, rectangular mesh, others a more coarse mesh, and some a honeycomb >>>> design. What's the reason? Performance vs. legibility? >>>> >>>> >>>> Terry Bowman, KA4HJH >>>> "The Mac Doctor" >>>> >>>> https://www.astarcloseup.com/ >>>> >>>> “The book said something astonishing, a very big thought. >>>> It said that the stars were suns, only very far away. >>>> The Sun was a star, but close up.”—Carl Sagan, *Cosmos*, 1980 >>>> >>>> >>>> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/4399028f-83a0-4dc5-a587-f2bb97849ec6n%40googlegroups.com.
