4 ms·
Sound recordings Parry made in Yugoslavia. https://en.m.wikipedia.org/wiki/Aluminum_disc https://en.m.wikipedia.org/wiki/Aluminum_disc
by hcayless 5y ago
Sound recordings Parry made in Yugoslavia. https://en.m.wikipedia.org/wiki/Aluminum_disc https://en.m.wikipedia.org/wiki/Aluminum_disc
- tomcam 5y agoI had assumed wax cylinders. Thank you very much