In this article from 1893 from the Chicago Tribune, August Roterberg explains some of the tricks and techniques used by fraudulent spirits.
- Mediums Have an Easy Thing
- Other Ways of Doing the Trick
- How Spirit Questions Are Answered
- People Easily Deceived
- Mediums Exchange "Tests"
- Example of Cool Effrontery
- Uses of Luminous Paint
- Conjurers Only Need Natural Means




