A violet ray was a medical device developed in the early 20th century based on the coil technology discovered by Nikola Tesla, who is stated to be Violet's favorite inventor.
Charles Baudelaire | Violet Oakley | Violet (plant) | Violet Markham | Violet Carson | Violet Blue (author) | Violet Hopson | Violet Hill, Pennsylvania | Violet Hill | Violet Blue | The Violet Hour | Violet | High Violet | American Violet | water violet ''(Hottonia palustris)'' | Violet's Dreams | Violet (musician) | Violet La Plante | Violet Jacob | Violet Fane | violet | bird's foot violet | Arlene Violet | White Violet Center for Eco-Justice | Violet Winspear | Violet Van der Elst | violet ray | Violet Perfume: No One Is Listening | Violet MacMillan | Violet, Louisiana |