The Lincoln Continental 1950-X was a concept car built in 1952. 

Announced in 1952, this was Ford's "Car of Tomorrow," a pilot model being studied toward future development as a practical five-passenger sedan.

Called the Lincoln Continental Nineteen Fifty X, it served as a laboratory for the creation of new features for possible inclusion on production cars.

This view showed how the curved windshield blended into the clear-dome top. For fair-weather driving, the non-glare, low-heat transmitting top over the front seat retracted mechanically into the leather-covered canopy.