Gas masks: How they evolved from the trenches to the Iranian Embassy siege and beyond

The gas mask was developed during the First World War after Germany launched the first chemical attack of the conflict in April 1915

Why did they have gas masks in WW2? - Quora

Avon Protection on LinkedIn: #avonprotection #advancewithconfidence #respiratory #avonmcm100…

Casey Galligan on LinkedIn: Wheels up! Come check out the full portfolio of Avon Protection and Team…

Gas masks: How they evolved from the trenches to the Iranian Embassy siege and beyond

An Iranian soldier wears a gas mask to protect against chemical attacks while waiting in the trenches next to a MGA3 Machine gun. The Iran-Iraq War [768×528) : r/MilitaryPorn

The Benton Museum of Art at Pomona College - American fighting men in the trenches are hastily putting on their gas masks for the approaching gas storm