Vosk, is it "wax" in Russian ("воск")? I think of wax recording rolls - old days CDs, aka Phonograph cylinder: https://en.m.wikipedia.org/wiki/Phonograph_cyli

Vosk, is it "wax" in Russian ("воск")? I think of wax recording rolls - old days CDs, aka Phonograph cylinder: https://en.m.wikipedia.org/wiki/Phonograph_cylinder https://en.m.wikipedia.org/wiki/Phonograph_cylinder