Microgroove Record
Microgroove
Mechanical sound recording with narrow grooves (around 100 grooves per centimeter, three times higher than in shellac records), usually stamped in 'vinyl' (PVC composite).
Mechanical sound recording with narrow grooves (around 100 grooves per centimeter, three times higher than in shellac records), usually stamped in 'vinyl' (PVC composite).
Wikidata
