JF Ptak Science Books Quick Post
This is the sixth in a new series of posts on interesting, early applications of electricity, most of which are taken from the archives of the U.S. Patent Office. Unlike the general post in this blog, many of the Electro-LUXurious post images and documentation can be presented without commentary.
This, simply put, is a vibrator, and in the 19th century was a medical response to female sexual arousal, which at the time was termed "hysteria". And so women were sent to their medical practioner to be treated for hysteria with much larger units until the apparatus became small and portable enough to be used at home and without the assistance of the doctor.
We read further that figure 3 "is a side view of a cylindrical electrode for internal treatment".