19th Century carnuba wax harvest. showing workers harvesting the wax of the carnauba palm (Copernicia prunifera) for use in making phonograph cylinders. The phonograph (later known as a gramophone) is a device for the mechanical recording and reproduction of sound. It was invented by Edison in 1877 and uses wax cylinders on which grooves are scored by a needle in order to keep a physical record of the sound being recorded. Published in 'Physique populaire' by Emile Desbeaux (1891). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Collection Abecasis |
Bildgröße: | 2570 px × 3780 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |