Dynamo Electric Machine. The Dynamo was the first electric generator capable of delivering power for industry. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NYPL / Science Source |
Taille de l’image : | 3789 px × 2954 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |