DescriptionManufacturers identification & capacity plate from a crane probably in the Plate Shop of the Bethlehem Steel Shipyard, Hoboken. "Shaw-Box Crane | Manufactured by | Manning Maxwell Moore Inc. | Muskegon Michigan." Enameled metal ca. 10 guage with bolted on white-enameled metal circle at right: "Capacity | 25 | Tons." Dark red, dark blue and white. 72" long x 15"high. 10 edge bolt holes with grommets.