UTAH Radio Products 80 watt, crystal controlled, CW transmitter UAT-1. This unit was built in the late 1930's. It covers 160-10 meters. There were add on units such as a high power RF amplifier, antenna tuner, and speech amplifier/modulator. The transmitter uses only 3 tubes, all 6L6's. I don't have much information on this unit and it's the only one I've ever seen.
Believe it or not, I have a copy of the manual for this radio. I found it at Hi Manuals, check my "links" page for their site. You may get lucky like I did and find a manual for that rare piece you own.
If you have any info on the Utah Radio Products Company or their equipment, please drop me a line.
The bottom unit is the power supply, the middle is the transmitter, and the top is the antenna tuner. The antenna tuner is unmarked and it's unknown if it's a UTAH original.