Shellaclevyillä
Shellaclevyillä is a Finnish term referring to records made of shellac, a natural resin. These records were popular in the early to mid-20th century, predating the widespread adoption of vinyl. Shellac records are typically black and are more brittle than vinyl, making them susceptible to breakage. They were manufactured in various sizes, with 78 rpm (revolutions per minute) being the standard playback speed.
The shellac compound offered good durability for its time and allowed for relatively sharp sound reproduction.
The decline of shellac records began in the late 1940s and early 1950s with the introduction and