Early 20th Century Vibrator by White Cross: In the early 20th century, vaginal stimulation with vibratory devices for the treatment of female hysteria was a common & lucrative part of many physicians’ office practices.
jean-martin charcot hysteria - Google Search
Vibrators: There may be some validity to the benefits of vibrating massage, but many of these devices claimed to cure everything from indigestion to deafness -- even though the designs looked like little more than hand-cranked mixers.
Freud, Sigmund Time, Newsweek covers
Water massages as a treatment for female hysteria, ca. 1860