Are These Tubes Considered - "Money In The Bank?"

Are these tubes "or Valves" considered, "Money In The Bank?" Let's take a look at some tubes that may be very overlooked. To learn electronics in a very different and effective way, and gain access to Mr Carlson's personal designs and inventions, visit the Mr Carlson's Lab Patreon page here:   / mrcarlsonslab   Check out the Mr Carlson's Lab electronics forum here: https://www.mrcarlsonslab.com #restoration #electronics #repairing