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Video by Jon Poindexter
Producing WWI Charcoal Filter Gas Masks
Defense.gov
March 5, 2021 | 0:51
Naval historian Tom Frezza explains where the charcoal used in filters for World War I gas masks -- known as small box respirators -- came from, and how we built partnerships in the South Pacific because of it.

Video by DOD's Jon Poindexter, Daniel Zaborowski, Katie Lange and Regina Ali
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Producing WWI Charcoal Filter Gas Masks
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