The Schneider brain wave synchronizer.
Bause
George S
GS
ASA's Wood Library-Museum of Anesthesiology, Park Ridge, Illinois, USA. UJYC@aol.com
D003344:Cortical Synchronization / Q000266:history* / Q000295:instrumentation* / Q000379:methods; D049673:History, 20th Century; D006801:Humans; D006990:Hypnosis / Q000266:history / Q000295:instrumentation / Q000379:methods