Sano-Scope Improved Diagnostic Apparatus

The Sano-Scope Improved Diagnostic Apparatus (or Sano-Scope of Nicholin; sometimes spelled Sana-Scope) is an electro-mechanical device that was sold as a diagnostic tool, and was advertised by practitioners during the 1930s as being used for examinations prior to Chiropractic and Soma Ray treatments. It was manufactured and sold by Nicholin's Research Laboratories of San Francisco, California.