0_Apprentice
I listened to a phonograph record when I was young.
1_Wizard
was this before the 1950s when the discs were made from shellac?
0_Apprentice
I think all old school records are consider phonograph records, even vinyl records.
1_Wizard
they all have grooves which start at the periphery and end near the centre
0_Apprentice
Older ones were made from shellac. They come in different sizes too.
1_Wizard
shellac is a resin, more modern records are polyvinyl