Tube Lore lists 2040 in the RCA section as A.K.A. 1C21. Ira.
On 10/20/2014 4:32 PM, Joe Zatarski wrote:
thanks, I had the Otis document, but no datasheet for these tubes. I don't believe they are 1C21, but maybe they are close enough? I think my tubes say 2040 on them. Also, that article seems to be something current (2008) whereas this elevator panel is from the 60's or 70's at the latest I think. Perhaps you meant a different article?On Monday, October 20, 2014 4:32:18 PM UTC-5, OrangeGlow wrote: Here is the Otis document that has the info I've based my work on. Also, the 1C21 specs and a newspaper article. These panels ended up as scrap because of the ionizing source added to lower the trigger voltage. Tim Lang has been my supplier of tubes and info. If you search for his posts on this list you will probably find more info. Cheers, Tom On 10/20/2014 11:47 AM, Joe Zatarski wrote: > https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-xfp1/v/t1.0-9/s720x720/10698438_610527725718483_574889276774171791_n.jpg?oh=19a589987217d977b1bd6405a114aa2a&oe=54BBBAE2&__gda__=1421665936_039f165285dbc97c5c6f11a9c75d96fe <https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-xfp1/v/t1.0-9/s720x720/10698438_610527725718483_574889276774171791_n.jpg?oh=19a589987217d977b1bd6405a114aa2a&oe=54BBBAE2&__gda__=1421665936_039f165285dbc97c5c6f11a9c75d96fe> > --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] <mailto:[email protected]>. To post to this group, send email to [email protected] <mailto:[email protected]>. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/2c590330-8c9d-4bcb-943e-fdd65881c162%40googlegroups.com <https://groups.google.com/d/msgid/neonixie-l/2c590330-8c9d-4bcb-943e-fdd65881c162%40googlegroups.com?utm_medium=email&utm_source=footer>.For more options, visit https://groups.google.com/d/optout.
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