I am very impressed with Zenith reliability. I also have a '51 model in equally nice condition, I hope to get it up and working soon. I'm just having trouble finding the part I need. I would love to have an early space command, flash-matic or lazy bone... maybe one day.
The tv lamp was my great aunt's. She gave it to me close to 15 years ago, when she noticed I was admiring it (she was using it to hold a door open!).
As far as the controls go, power/volume/VHF are shown. Most the other adjustments are behind the metal panel at the bottom, with a couple in the back.
Thanks for the complements fellas, I'm very pleased!