![]() ![]() ![]() Many centuries later, Leonardo da Vinci (1452-1519) recommended the use of wet cloths over the mouth and nose as a form of protection against inhaling harmful agents (Spelce et al., “History,” 2018 Cohen and Birkner, 2012).įurther scientific inquiry and discovery led to the use of early atmosphere-supplying respirators. The history of respiratory protection traces back as far as Pliny the Elder (23-79 AD), a Roman philosopher and naturalist, who made use of loose animal bladder skins to filter dust from being inhaled while crushing cinnabar, which is a toxic, mercuric sulfide mineral used at the time for pigmentation in decorations. Pliny the Elder, photo courtesy of ShutterstockĪround the world, scientific minds recognized the need for respiratory protection long before the U.S.
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