Coloured scanning electron micrograph (SEM) of the needle (stylus) of a record player. This needle is designed to play stereo and mono recordings at 78 RPM. The magnification is 55x when printed 10 cm wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Kinsman, Ted |
Bildgröße: | 3303 px × 2550 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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