The Nuttall Encyclopedia
Name given to a physical force recently surmised and believed to pervade all nature, and as manifesting itself chiefly in connection with mesmeric phenomena.
Wood, James, ed. Entry for 'Od'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/o/od.html. Frederick Warne & Co Ltd. London. 1900.