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Odd old valve that isn't I think?
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24-04-2015, 08:01 PM
Here's some guff on RCA photo tubes including the 923, typical applications etc from the RCA 1941 photo tube book of words:
https://ia601902.us.archive.org/13/items...1_text.pdf Lawrence. |
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Odd old valve that isn't I think? - by boater sam - 24-04-2015, 06:51 PM
RE: Odd old valve that isn't I think? - by tiv48 - 24-04-2015, 07:02 PM
RE: Odd old valve that isn't I think? - by tiv48 - 24-04-2015, 07:05 PM
RE: Odd old valve that isn't I think? - by boater sam - 24-04-2015, 07:44 PM
RE: Odd old valve that isn't I think? - by pwdrive - 24-04-2015, 08:01 PM
RE: Odd old valve that isn't I think? - by Refugee - 25-04-2015, 09:33 AM
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