Project impossible? bringing a magnet-box back from the dead?

[jr_tech]

A slightly earlier model used a 16” metal cone round tube...

http://www.tvhistory.tv/1950-Admiral-26X56A-16in.jpg

My guess is that the set in question has a first generation rectangular CRT, like a 20CP4 instead of a later, more common 21inch tube. Might be difficult to find a replacement.

jr