a 9 year time period were inventors like Hippolyte Pixii, Joseph Henry, Thomas Davenport and Sir William Robert Grove created usfeul and relevant items like the dynamo, electrical relay, electric motor and the first fuel cell. (1 gen 1832 anni – 1 gen 1841 anni)
Aggiunto al nastro di tempo:
Data:
1 gen 1832 anni
1 gen 1841 anni
~ 9 years