S'rīyantra--the ancient instrument to control the psychophysiological state of man.
Kulaichev
A P
AP
Ramendic
D M
DM
D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D007194:India; D009420:Nervous System; D009462:Neurology / Q000266:history*; D011584:Psychology / Q000266:history*; D012068:Religion and Medicine