Harry Poster has a replacement 19AP4 CRT listed on "the bay".
http://cgi.ebay.com/rare-boxed-Exper...item35a7c50005
I can only imagine what it will end up selling for???
I have the Westminster II that Dave A referred to and have been working feverishly on it for the past few months. I'm making progress, but there's a lot of "stuff" packed in that cabinet and it all needs attention of one kind or another. Stay tuned..............
Bob