For further reading...
The Technology of Orgasm: "Hysteria," the Vibrator, and Women's Sexual Satisfaction
http://www.amazon.com/The-Technology-Orgasm-Hysteria-Satisfaction/dp/0 801866464
About 8 years ago I attended a lecture and slide show by the author. It was very educational and, dare I say, hysterical My date thought so too.
-Wm