https://medium.com/@djbritland/a-night-at-a-seance-a-true-story-for-halloween-c19d0814845e

There was a rap. Then another. Mysterious rapping sounds had plagued the family for some time. You could hear it quite plainly, especially…

The most spectacular spirit phenomena are, according to the literature, to be found at physical séances. The history of Spiritualism is teeming with levitating tables, rapping noises and luminous manifestations, all taking place in a darkened room. Unfortunately with the advent of infrared photography this phenomenon has all but died out. You still hear stories though