noun
psychograph
A device or record that purportedly captures psychic or spiritual phenomena, often associated with parapsychology and spiritualism.
19世紀末、心霊主義の研究者たちはサイコグラフを使って霊的なメッセージを記録しようとした。
In the late 19th century, spiritualist researchers attempted to record spiritual messages using a psychograph.
Borrowed from English 'psychograph', a compound of 'psycho-' (mind, spirit) and '-graph' (writing, recording).