> there was an inventory glut that covered the world demand for CRTs for nearly a decade after the last one was made. I collect and restore analogue oscillosco

> there was an inventory glut that covered the world demand for CRTs for nearly a decade after the last one was made. I collect and restore analogue oscilloscopes and even today you can still get original NOS scope tubes for many models that have ceased production 30, 40, 50, 60 years ago.