Stanley Krebs was very successful in revealing the fraudulent practices of spirit mediums. One of the tools he employed was a pocket mirror that he used to see what was going on under the table.
In this series of articles in Suggestion he describes various sittings and encounters with spirit mediums such as the Bangs sisters, Dr. Henry Slade, Pierrie L.O.A. Keeler, and the Campbell brothers. Included are some comments, letters, and editorials from Suggestion journal relating to this topic.
An excerpt of this material was published in Journal of the Society for Psychical Research.
1st edition 1901, published in Suggestion Journal; PDF 44 pages.
word count: 24984 which is equivalent to 99 standard pages of text