Giant galvanometer in the physics laboratory, Cornell University, New York, USA, 1886. A galvanometer is an instrument for measuring small electric currents. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3086 px × 3391 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |