Lewis Haslett Explained

Lewis Phectic Haslett was an American inventor and the first person to receive a patent for an early form of the gas mask in 1849.[1]

Notes and References

  1. Book: Christianson, Scott . Scott Christianson . Fatal Airs: The Deadly History and Apocalyptic Future of Lethal Gases that Threaten Our World . ABC-CLIO . 2010 . 9780313385520 .

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