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FIRE MASK PATENT, 1883
Fire mask patent, 1883. Artwork of a device designed by Charles McIntosh to allow a person to escape a burning building. The device consists of eye goggles, nose pinchers, head straps and mouth piece with filter that protect against the harmful effects of smoke. (KEYSTONE/SCIENCE PHOTO LIBRARY/US PATENT AND TRADEMARK OFFICE/SCIENCE PHOTO LIBRARY)
Instruktionen
COPYRIGHTPFLICHTIG
Lizenz
Rights Managed
Erstellungsdatum
Ort
Credit
KEYSTONE
Source
SCIENCE PHOTO LIBRARY SPL
Byline
US PATENT AND TRADEMARK OFFICE
Grösse
2436 x 3655 px
Dateityp
JPEG