The German gas mask originally got to Wyoming by way of U.S. Army Sgt. Robert O. Pennewill, who served in the war. The gas mask was part of a large collection of World War I items displayed in the ...

filed a patent for a gas mask in 1914, a year before Haldane started researching his device. The story has been updated to reflect Morgan’s contributions. Unprepared for German forces to use ...

It took six assaults in the face of devastating German artillery ... Petty himself was knocked down by shrapnel and his gas mask destroyed. Ignoring his wounds and tearing off the useless mask ...

As explained in a passage from A History of the World War, here's how the gas masks worked ... Fritz Haber, a German Jew who had earlier won a Nobel prize for synthesizing ammonia.

gas masks, some still in their containers, are piled at Hill 62 Sanctuary Wood in Zillebeke, Belgium. Chlorine gas - sent crawling in favorable winds over Flanders Fields from German positions ...