Description
Ford LTD – Full color 6 1/4″ x 9 1/2″ ad that describes just how quiet a 2-Door Brougham was when tested against a glider flying through the air. The ad has small photos of the glider in the air and the Ford being driven on a highway at 60 mph. There is a larger photo of the two vehicles together and claims the Ford registered 65 decibels inside while being driven while the glider registered 82.
Source: February 1973 National Geographic.