In article ,
jeff_wisnia wrote:

He may have just turned the CRT upside down with the yoke attached to
it. That would have inverted the image just fine.

Theoretically possible. But anyone who knows enough about TVs to do
that, knows enough to rotate the yoke, which is 1000 times easier. He's
just having fantasies.

Besides, I doubt if the anode lead to the CRT would be long enough,
among other things.