Tubes were cheaper than transistors at that time, so there was some overlap. The top of the line sets would be solid state and the cheap ones would have tubes.
I haven't come up with a perfect idea to blow up a TV/radio. Will keep thinking
I have a sealed can of crackers on the shelf from about '61, put out for civil defense. They were made by Sunshine Biscuits. The guy who I got them from bought several cans, and opened one (this was about 15 years ago). Him & I tried them and I guess the best thing I can say is, they were edible!