1958 Westinghouse roundie?

[dieseljeep]

Originally Posted by David Roper

I found this in the midst of a totally unrelated search. I've never seen this set before nor heard any discussion of a change to round tubes after the rectangular ones proved troublesome. It doesn't even have a heading in the ETF database.

I only saw one of those!
A used TV store, I hung around had one. There was a notice on the back, that stated that the set had been converted to use a 21CYP22.
I never knew the true meaning of the statement until several years later, that they made a rectangular CRT, that was a flop.