Various musical instruments and sounds, Wurtemberg, c1850. Key: 1) Condensed and rarified sound waves: 2) Echoes: 4) Megaphone: 5) Ear trumpet: 6) Speaking tube: 7) The Ear: 10-20) Musical instruments. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Oxford Science Archive |
Bildgröße: | 3788 px × 4613 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |