Newspaper clipping, [Galvanic Battery Newspaper Testimonial], January 13, 1842.
These materials are owned by the American Catholic Historical Society and maintained at the Philadelphia Archdiocesan Historical Research Center, 100 E. Wynnewood Rd. Wynnewood, PA 19096. For more information please see: http://www.pahrc.net. [1/5/7].
Philadelphia : Spirit of the Times