you'll find this PDF from Radio News, 1926 to be quite interesting:
http://www.clarisonus.com/Archives/TubeTheory/Loewe.pdf
http://www.clarisonus.com/Archives/TubeTheory/Loewe.pdf
Jack,
I've got a few of those vintage Radio News magazines and have seen that article in one of them. Note how the passive components like resistors are sealed in their own glass cylinders within the valve envelope to keep their outgassing in check. There is a lot of neat stuff in those old magazines. Imagine that they were able to fill an electronics magazine cover to cover before there were computers! I stoped subscribing to Popular Electronics when it became a computer mag.
I've got a few of those vintage Radio News magazines and have seen that article in one of them. Note how the passive components like resistors are sealed in their own glass cylinders within the valve envelope to keep their outgassing in check. There is a lot of neat stuff in those old magazines. Imagine that they were able to fill an electronics magazine cover to cover before there were computers! I stoped subscribing to Popular Electronics when it became a computer mag.
Once again, everything old is new again. Those 1926 items look like the very 1st integrated circuits ever made to me.
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