A Zenith UHF channel control knob. Part # 46-589I. Appears to be unused with box.
VINTAGE ZENITH TELEVISION PART #63-10686-03 SLIDING POTENTIOMETER CONTROL BOXED
VINTAGE ZENITH TELEVISION PART #46-5816 CONTROL KNOB WITH BOX
VINTAGE ZENITH TELEVISION PART #34-768-05 GEARED UHF CHANNEL KNOB CONTROL BOXED
VINTAGE ZENITH TELEVISION PART #46-5815 CONTROL KNOB WITH BOX
VINTAGE ZENITH TELEVISION PART #48-5893 VHF CHANNEL KNOB CONTROL WITH BOX
VINTAGE ZENITH TELEVISION PART #46-9559 UHF CHANNEL KNOB CONTROL WITH BOX
