Newspaper Clipping, [Coad's Galvantic Battery & Insulated Poles], January 23, 1850.
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. [1/5/10] Newspaper clipping from the [Herbimer} Journal. Testimonials about Coad's device. Clipping in annotated with citation.