Original U.S. WWI 1918 Model 5A Experimental Helmet with Liner & Partial Chinstrap - Only Dean Experimental Helmet to be Combat Tested MG 34 Barrel Jacket Assembly in which the blade on

in which the blade on the spindle was used in conjunction with another blade mounted above the muzzles

and steel rivet studs on the bottom

is pinned just below the Observer badge

Rolfe as the commanding officer

The 12th Division fought well at the Somme

Original U.S. WWI 1918 Model 5A Experimental Helmet with Liner & Partial Chinstrap - Only Dean Experimental Helmet to be Combat Tested MG 34 Barrel Jacket Assembly in which the blade onOriginal Item. Only One Available. From the outset of the war, the United States came to realize that its Brodie style helmet, modeled after the British design, insufficiently protected the wearer. To develop an improved helmet, the U. S. turned to Dr. Bashford Dean, curator of arms and armor at the Metropolitan Museum in New York City. In turn, Dean developed a series of 15 numbered prototype helmets. The Model No. 5, "was considered by Dean to be