I have a #Hallicrafters #radio on my bench for capacitor repair, and had someone ask me why the dial lamp is in the circuit the way it is.

The dial lamp on old #electronics can be more than a lamp...sometimes it's used as a ballast for the rectifier #tube.

Check out why on my project page.

https://wereboar.com/projects/index.php/2024/08/04/the-dial-lamp-can-be-more-important-than-you-think/

The dial lamp can be more important than you think. » Projects from the bottom drawer