I was gonna say, I highly doubt there was a microwave oven in the entire city in the 60s.

And you weren't kidding!

1946: The RadaRange, the first commercial microwave, was sold to restaurants, ship galleys and canteens. This six feet tall, 750 pound microwave sold for around $5,000. ($80,846 today.)

1955: Tappan made the first residential microwave, which was rarely seen in homes due to its staggering size and $1,300 price tag. ($15,294 in 2024 bucks.)