Original U.S. WWI Model 1918 Experimental "Liberty Bell" Helmet with Chinstrap & Partial Liner nChannel and shows much sharpening

and shows much sharpening

Ruptured Duck (Honorable Service/Discharge)

except for the 1917 date and broad arrow

It has British Naval regulation brass mounts

with the arming plug assembled over the primary fuze well

Original U.S. WWI Model 1918 Experimental "Liberty Bell" Helmet with Chinstrap & Partial Liner nChannel and shows much sharpeningOriginal Item: Only One Available. The industrialization and mechanization of war in the early twentieth centurywhich meant an increased use of artillery, tanks, and machine guns, and the advent of trench warfareresulted in an unprecedented number of killed and wounded soldiers right from the outset of World War I in 1914. The large number of head wounds suffered by combatants soon made it apparent that metal helmets, though long out of use, were