Dr. Lee deForest

Dr. Lee deForest, 1957

Dr. Lee deForest Part One

Dr Lee deForest in 1957 on the television show "This is Your Life", Part One

Dr. Lee deForest Part Two

Dr Lee deForest in 1957 on the television show "This is Your Life", Part Two

Mike Adams on Lee deForest

Mike Adams Presents Lee de Forest King of Radio Television and Film

Ron Soyland, "glasslinger" on YouTube

Ron Soyland, aka "glasslinger" of Houston, Tx makes vacuum tubes in his home shop. His YouTube channel is http://www.youtube.com/user/glasslinger. The videos below are on making of the deForest Audion style vacuum tube.

Making a Spherical Audion Part 1

Making a spherical Audion vacuum tube part 1

Making a Spherical Audion Part 2

Making a spherical Audion vacuum tube part 2

Making a Spherical Audion Part 3

Making a spherical Audion vacuum tube part 3

Making a Spherical Audion Part 4

Making a spherical Audion vacuum tube part 4