Psychic Phenomena XII, #22 - Margery, Boston Experiments
A glass lantern slide of the medium, Margery, with a piece of psychic equipment called a balancing scale, during a seance with Dr. Crandon. The pans of the scale appear to be aligned by supernormal means., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 82291, Luna Image ID - 118932