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originally posted by: JJRichey
I remember reading a while back that most of the avionics used vacuum tube technology instead of solid-state avionics, the reason being that vacuum tubes were more robust and could withstand an EMP pulse from a nuclear weapon. Is that what you were looking for? (It was unusual for the time, because vacuum tubes would have been rather old-school by then).
originally posted by: waynos
Here's a slightly oblique one. What do the Gloster Aircraft and Lockheed companies have in common? (Apart from making planes)