Smoke excluding mask patent, 1877

Smoke excluding mask patent, 1877

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Credit: US PATENT AND TRADEMARK OFFICE/SCIENCE PHOTO LIBRARY

Caption: Smoke excluding mask patent, 1877. Artwork of a smoke mask invented by George Neally to allow people to survive inside a smoke-filled environment such as a burning building. The mask includes moist sponges that filter out smoke particles.

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Keywords: 1877, 19th century, american, artwork, design, designs, device, diagram, drawing, emergency, engineering, equipment, escape, filter, fire, firefighter, historical, history, illustration, invention, machine, mask, mechanical, north america, old, patent, smoke excluding, smoke mask, technological, technology, united states, usa, vintage

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