In the winter of 1928 a fashionable Lady prepares to board her Packard Sedan . The Packard is equipped with a Winter Front on the grille. The winter front controls the amount of cold air entering the radiator to aid in bringing the engine up to operating temperature.
This was from the time before thermostats and permanent antifreeze came into use. Up until then alcohol was generally chosen as an antifreeze, but had to be checked often as it would evaporate.