Speaking of Invention...

Given our discussion of intellectual property and copyrights (not to mention Lessig's refrences to Edison's phonograph), I found this recent discovery amusing. The "Phonautograph" was discovered 20 years before Edison's phonograph.

This
has strikingly resemblences to this:


Does it not? It definitely resembles this:


Then again, what about this?


Listen to the pre-Edison sound recording here (you may not be impressed). On another note, how many copyrights did I infringe on by using these images?