Record Needle,SEM
Bildnummer 12047001
| Coloured scanning electron micrograph (SEM) of the needle (stylus) of a record player in a groove on a record. A record is used to store sound. It is produced by a machine with a head which vibrates in time to the sound being recorded. This cuts a groove in the record which varies according to the vibrations. A needle can then reproduce these vibrations as it runs along the groove and these,when amplified,produce the original sound. This is a stereo record. The needle in contact with the record is a LP needle,or a long play needle designed for stereo use. This record is designed for 45 RPM,and the spare needle pointing up is a 78 RPM needle (note the different angles) | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Kinsman, Ted |
| Bildgröße: | 2520 px × 3376 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: |
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