[GreenKeys] Building a Precision CRT

[Bryan Brodie]

I know a lot of you folks used Tektronix equipment, back in the day.
Here's a great site documenting Tektronix history:
http://classictek.org/

And here's a great video from Tektronix describing how to create
precision CRTs for oscilloscopes:
http://classictek.org/index.php?option=com_seyret&Itemid=100&task=videodirectlink&id=1

Now I know why they still work 50 years later. They definitely don't
make 'em like they used to.