Channel: Mr Carlson's Lab

Category: Science & Technology

Tags: testing circuitsmr carlson's videosvacuum tube electronicsvalve radio repairelectrical engineeringunderstanding electronicsdesign electronicsrepair electronicsrepair old electronicslearn electronicstest equipment repairfix old electronicsvalve radio restorationhow to fix electronicsfix electronicstest equipment restorationhow to design circuitshow to repair electronicsvalve electronics

Description: Digital technology from the year 1957, using vacuum tubes! This is the HP-521C digital frequency counter. Let's power it up and see if it comes to life. Enjoy! For links, click the SHOW MORE tab below. 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: patreon.com/MrCarlsonsLab #learnelectronics #electronicsvideos #MrCarlson