Amazon Video

1950’s Digital Electronics “Vacuum Tube Goodness” – Will It Still Work?

If this 50’s electronic counter will function, let’s see! This is an HP 521DR digital counter. Allow’s power it up! For web links, click the SHOW MORE tab below.

To learn electronic devices in a extremely different and efficient means, and also gain accessibility to Mr Carlson’s individual layouts as well as inventions, see the Mr Carlson’s Lab Patreon page below: https://www.patreon.com/MrCarlsonsLab

#learnelectronics #electronicsvideos #MrCarlsonsLab

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.