1966 RCA vacuum tube training film.

[Samhain]

 

[War_in_D]

That was really interesting. I just picked up an old Hickok 800 tube tester, and it came with a metric buttload of old tubes. Some of them were NOS RCA's. Interesting to see just how much hand work went into these.

 

[JimAnsell]

Eh Grandma! Thanks for the tones!

 

[JimAnsell]

I think that job is now being done by malnourished chinese and russian 10 year olds in their respective countries