Walker and Pratt Boston c 1886 Antique Coal Heating Stove. Number of Burners: 1. Item Height: 2ft 5in. Number of Ovens: None. Country/Region of Manufacture: United States. Featured Refinements: Coal Stove. Brand: Walker and Pratt. Item Depth: Approximately 18 inches. Walker and Pratt Boston c 1886. Still in use with wood.