Even if you don't end up assembling your own tubes and transistors, just reading about the author's efforts is educational and entertaining. When I was first learning electronics in high school, no one bothered to illustrate the importance of a vacuum-tube vacuum this way.

Even if you don't end up assembling your own tubes and transistors, just reading about the author's efforts is educational and entertaining. When I was first learning electronics in high school, no one bothered to illustrate the importance of a vacuum-tube vacuum this way.