Seventy years ago today, the July 27, 1951, issue of Life magazine carried this ad touting the features of General Electric televisions.  Without explaining any of the technical details, the ad claims that GE’s “Black Daylite” guaranteed the best picture, even in the poorest reception areas.

Prices started at $279, which, according to this inflation calculator, works out to over $2900 in 2021 dollars.