A Brief History of Respirators
8/12/2019 Lately, I have found myself conducting quite a number of respirator training classes. My typical opening question is, “when was the concept of wearing a respirator first conceived?” Most people automatically respond with “World War I.” True, respirators were used during this time, as this is when Chemical Warfare, via the use of chlorine gas, began. However, the fact is, the concept of respiratory protection came into light during the first century, A.D. by Read more…