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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US Patent And Trademark Office |
Bildgröße: | 2436 px × 3655 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |