Wow!!! Nice fine!
I'd often wondered why I see so many GE 5TP4's.
I could not ID the model from the photograph.
The 901 has a phonograph and the 910 does not.
For a bunch of pictures of the innards on one, see:
http://www.theradiofox.com/tv/ge901/index.html
The ETF has the service manual on line.
Now, what I want to know is, how was GE able to get corner-to-corner focus without a correcting donut lens?
James