19th century acoustics experiments. Historical engraving of people carrying out experiments in echo formation | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NEW YORK PUBLIC LIBRARY / Carl H. Pforzheimer Collection of Shelley and His Circle |
Bildgröße: | 2552 px × 4110 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |