Bashford Dean and the Development of Helmets and Body Armor during World War I | Essay | The Metropolitan Museum of Art | Heilbrunn Timeline of Art History
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How the Military Helmet Evolved From a Hazard to a Bullet Shield | At the Smithsonian| Smithsonian Magazine
W. H. Mullins Co. | American Helmet Model No. 7, Sentinel's Helmet | American, Salem, Ohio | The Metropolitan Museum of Art
Ford Motor Company | American Helmet Model No. 8 | American, Philadelphia | The Metropolitan Museum of Art
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How the Military Helmet Evolved From a Hazard to a Bullet Shield | At the Smithsonian| Smithsonian Magazine
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