Vacuum Tubes

Quote:

---

Originally Posted by Irving

Can you take a vacuum tube up Chinaman Gulch? Didn't think so.

---

Maybe a good ole' Umerkin Phillips or Westinghouse could make it. None of those Chinese imports would stand a chance.

Interesting vid on how tubes are/were made.

http://www.youtube.com/watch?v=GDvF89Bh27Y