re: Mic Element Types

["G." <gigs@xxxxxxxxxxxxxxx>]

Probably not the exaustive resource your looking for, but for what its worth
there are sound samples of
Shure Brothers CR element & CM element bullets
Astatic MC127 & MC151 elements bullets
as well as Shure SM58 and SM57 vocal mics  with brief descriptions.
http://www.angelfire.com/music/harmonica/ampdmics.html
Astatic don't appear to have data sheets for the MC127 or MC151.   Shure do
have a datasheet for the 520D with CM element and all their vocal mics.

I don't know of a resource that you're looking for.
- -- G.