Advertisement for the Eureka Iron Co. depicting a bird's-eye view of the factory. Printed on front: "Eureka Iron Co., Detroit, Michigan. Mills & furnaces, Wyandotte, Mich. General offices, Detroit, Mich. Manufacturers of Wyandotte boiler plate and tank iron of all grades, refined Lake Superior (equal to Norway) and common bar iron. Charcoal pig iron from Lake Superior ores. Especially for car wheel & malleable purposes."
