Psychic Phenomena XII, #21 - Margery, Boston Experiments
A glass lantern slide of the medium, Margery, with a piece of psychic equipment called a balancing scale, which featured a teleplasm rod on the left pan, during a seance with Dr. Crandon., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 82287, Luna Image ID - 118931