Four Freedoms and Arsenal of Democracy posters. Checking over a dummy of hiArsenal of Democracy panel is the eminent posters artist Jean Carlu. The panel, which measured 15 by 30 feet, is on exhibit now at the National and Civilian Defense Exposition at Grand Central Palace, New York along with another of the same size representing the Four Freedoms. Shown under the auspices of the Office of Emergency Management (OEM), they will shortly be seen in a number of cities from coast to coast