Even some 70's era stereos had that capability -- my grandparents had a mid 1970's Cadillac with an analog tuner, but it also had a button you could press and y

Even some 70's era stereos had that capability -- my grandparents had a mid 1970's Cadillac with an analog tuner, but it also had a button you could press and you could watch the tuning needle scan until it found a a station. I was looking for a link to one, and it turns out that even some 1950's radios had a "wonderbar" signal seeker: https://classiccarradiorestoration.com/wonderbar/ https://classiccarradiorestoration.com/wonderbar/