![](http://www.alamy.com/thumbs/6/0FA51880-24BD-4EC7-8805-A612A5BA844B/HRHBWD.jpg)
WWI, Battle of Ypres, Gas Masks
Australian soldiers, wearing gas masks, in battle near the western front at Ypres (Belgium) during World War I. The first use of chemical warfare was on April 22 1915, when Germany released chlorine gas from cylinders at Ypres. The masks were simple respirators with a charcoal absorbent.
Size: 2550px × 2834px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1, australian, battle, bw, chemical, gas, gas-mask, gas-masks, historical, man, mask, masks, men, people, person, respirator, soldiers, trench, trenches, war, warfare, world, ww1, wwi, ypres