"...in the days when inventors were experimenting with many different ways to improve aircraft utility and performance." Lovingly lampooned in 1965's Those Mag

"...in the days when inventors were experimenting with many different ways to improve aircraft utility and performance." Lovingly lampooned in 1965's Those Magnificent Men In Their Flying Machines: https://www.youtube.com/watch?v=TO7-_fGqGTg https://www.youtube.com/watch?v=TO7-_fGqGTg