Record Needle,SEM

Numéro d’image : 12047000
Record Needle,SEM
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)
Licence : Droits gérés
Crédit: Science Photo Library / Kinsman, Ted
Taille de l’image : 2520 px × 3376 px
Model Release : Non requis
Property Release : Non requis
Restrictions :
  • ALL except GBR IRL CAN HKG ZAF USA IND TWN CHN DEU

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