Herbert F. Black. Original Name: Herbert F. Black. Other Names: Poweraux Mark. Joliet. Owner: Power Auxiliary Corp., United States Builder: American Ship Building Co., 1916, United States, Ohio, Lorain Engine Builder: American Ship Building Co., 1916, United States, Ohio, Lorain Year Built: 1916 Year Engine Built: 1916 Final Disposition: Scrapped in 1964 in West Germany (Hamburg). Registry Number: US. 214466 Hull Number: 717 Vessel Type: Bulk freighter Length: 504 ft. Width: 54 ft. Height: 30 ft. Gross Tonnage: 6262 t. Net Tonnage: 4824 t. Materials: Steel Engine Type: Triple expansion Piston #1: 23 in. Piston #2: 38 in. Piston #3: 63 in. Stroke Length: 42 in.