Thread: Extract Pubdate
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Old 01-10-2013, 09:09 AM   #10
gridlewak
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Join Date: Mar 2012
Location: Nova Scotia, Canada
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Quote:
Originally Posted by theducks View Post
Hmm!

The data on Hollow State Devices is pretty stable.

a #80 hasn't changed much (Along with the newer 5U4, 5W4 )
Right you are there.

I'm a tad different here. I like collecting stuff like this. Sometimes, when just digging up some history on these items, checking older versions of the books can give me an idea as to when a specific tube may have been introduced.
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