Ok, i need help

I'm doing a history project in school. and its supposed to be about the Piezoelectric pickup...(for me) Was it invented between 1800 and 1910? Were can i find some info about it?

Oh, and did i mention is turn in tommorow? >_> i just learned that sometimes, percrastinating is on accedent.. ._.

Nevermind! I'm good i found somthing.