They are often too expensive for him to create or too ahead of their time like the flat television tube he invented.

That's to say a received message would appear as words on a television tube.

This message appeared on the television tube since the sound-conversion system was not yet working.

Now the losers are out for revenge, trying to put the genie back in the television tube.

It was then that the Bergerons' television tube burned out.

Then he worked on a new kind of television tube for satellites.

The company remains the world's largest manufacturer of television tubes.

Data was written to the chips using an electron gun, similar to the operation of a television tube.

An intricate pattern of lights flashed across the television tube.

I am talking about light bulbs, television tubes and fire retardants.