Annotated Photo Album, Groups IV-VIII - #20, Stereos of Talking Machine
A page from an annotated photo album labeled #20 featuring stereo photographs of the medium, Mary Marshall, with a mass of teleplasm attached to her ear and neck, which was said to be a talking machine that allowed the spirit Walter to speak to the medium, during a seance at the home of Dr. Thomas Glendenning Hamilton on July 10, 1929., Luna Collection ID - 28::UMANITOBALCM::NA, Luna Object ID - 82818, Luna Image ID - 119061