The first world war saw the first widespread combat use of modern chemical weapons ... an important reminder of the stupidity of war “Gas masks and their grotesque appearance became the ultimate ...

A gas mask could, theoretically at least, protect against inhaling anthrax spores, or other possible infective agents used for biological warfare. But it is absolutely VITAL that the mask fits ...

A sign hanging above the doors to the gas chamber reads, "Even the brave cry here." A dozen at a time, Marines are ushered into a small, dark, brick room. A thick haze of o-Chlorobenzylidene ...