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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / US Patent And Trademark Office |
Taille de l’image : | 2436 px × 3655 px |
Model Release : | Non requis |
Restrictions : | - |