Original U.S. WWI Rare 1918 Experimental "Liberty Bell" Helmet with M1917 Style Liner & Canvas Chinstrap EXCLUDE_CHECKOUT_RESTRICTION Originally the German military was

Originally the German military was caught unprepared and no specific protective goggles for pilots were available which resulted in the pilots utilizing commercially produced or captured enemy protective goggles

though they are degraded from use as well

The emblem itself has a canted Swas (Swas) inside a red circle

but is certainly of the period based on its construction

He served as Commander

Original U.S. WWI Rare 1918 Experimental "Liberty Bell" Helmet with M1917 Style Liner & Canvas Chinstrap EXCLUDE_CHECKOUT_RESTRICTION Originally the German military wasOriginal 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