Annotated Photo Album, Groups XII-XIII - #66, Suspended Square Mass
A page from an annotated photo album labeled #66 featuring a photograph of the participants in a seance at the home of Dr. Thomas Glendenning Hamilton on May 22, 1939, in which the medium, Mary Marshall, materialized a square-shaped teleplasmic mass that hung suspended above her head., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 83116, Luna Image ID - 119134