My grandmother was born in 1940 and told me when I was little about when her family first was going to get a TV she thought it would be like a radio with a little screen on top that you'd wander over to and peek into for a visual when you needed one for the radio drama you were listening to. As I got older I second guessed my memory of her telling me that (because she's old but she can't be that old!) and then she told me the story as an adult again and it all makes so much more sense now