From: utzoo!decvax!harpo!seismo!presby!burdvax!floyd
Newsgroups: net.misc
Title: Re: record bead
Article-I.D.: burdvax.572
Posted: Thu Feb 17 00:06:12 1983
Received: Mon Feb 21 19:52:30 1983
References: eagle.777

The "bead" around the edge of a record disc is the added thickness around
the outside (it just happens to be rounded).  It's purpose is to protect
the first few grooves (or instances of the one groove) from being damaged
during pressing and packaging.