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[peverett]

I have several RCA B&W portable TVs that use the Nuvistor as the RF amplifier. Some say New Vista on and some do not. These TVs date from 1961 to 1965. There are probably others from outside these dates.

One thing that I have noticed is that these TVs seem to have better selectivity than the other TVs of the same era using the glass RF amplifiers. I am not sure why. However, they do share one irritating feature common in TVs in the 1960s-the tuner that uses wafer switches(not the barrel type). In some cases it is very difficult to get these to clean well and make good contact. The barrel type(used by Zenith, and possibly others, in at least some of their TVs) is much better.