Aviation Postcards: The view from the Tower!

 

This is the control tower at O'Hare in Chicago

This is the control tower at CVG, Cincinnati Airport 

These Postcards show you the view from the control tower at different airports in the 1970's. And there is a movie from 1999 called Pushing Tin which gives you a glimpse into the world of air traffic control.  https://youtu.be/A2S6ys_XZCU