Bergonic chair used to deliver electroconvulsive therapy to mentally ill patients.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...y_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...ck_therapy.jpg
More:
https://historycollection.com/18-old...ror-movies/12/
Previously:
https://www.homemadetools.net/forum/...095#post125771
https://www.homemadetools.net/forum/...964#post156849
https://www.homemadetools.net/forum/...242#post130723
https://www.homemadetools.net/forum/...881#post137338