Shipping Record: Guggenheim, Drefuss & Co., Liverpool to Philadelphia, January 13, 1868 Shipping record detailing the shipment of caustic soda from Liverpool, England to Philadelphia, Pennsylvania on January 13, 1868 by Guggenheim, Drefuss & Co. The record notes the port of entry as ASD and mentions Myer Guggenheim, founder of the Guggenheim mining empire.