Hello Micah,
The patent, official datasheet and press release for the GI-10 Inditron are all dated 1954. Here's the original datasheet, dated May 1954...
How embarassing - I never noticed the small "issued May 1954", even though I have had this datasheet a long time. Good that this is a keyboard only that does not see me turn red.
The GI-10 patent (US2756366) was filed on April 1, 1954, and the Popular Science press release is dated September 1954.
OK, so it seems safe to say that the GI-10 was not introduced later than May 1954. The "patent pending" found on many GI-10 tubes (on some of mine as well) would underline this, since the respective patent was issued 1956.
[...] There are several Haydu-Burroughs ads for both the Nixie and 6700 beam switching tube that are dated from 1955, and I have seen no ads or tubes dating earlier.
Would you mind scanning the earliest ad you have for me? That would be fantastic. I have an ad from 1955, but no month, sadly. See it at http://www.jb-electronics.de/html/elektronik/nixies/n_hb106.htm?lang=en
All I know about Saul Kuchinsky is his extensive patent history. He was deeply involved in the development of every major class of Burroughs tube.
Hmm there have to be some archives dealing with the National Union history. (Like the CBI for Burroughs). Anyone have an idea where to start looking for National Union information?
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