Antique 
" Violetta"  Violet Ray / Electrotherapy 
Medical Quackery
 Machine Works

This is an antique medical device called "Violetta" Violet Ray or Electrotherapy Machine. It was manufactured before 1930 and falls under the categories of Quack Medicine, Medicine, Science & Medicine (Pre-1930), and Antiques. The machine was used for electrotherapy and is considered a quackery device.