Chemical fire extinguisher, hand cranked, using water, soda and sulfuric acid. 1919, W.S. Nott Company. Museum of the Rockies, Bozeman, Montana, USA | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Millard H. Sharp |
Taille de l’image : | 5228 px × 3966 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |