Scope and ContentTechnical drawing from the Bethlehem Steel Hoboken Shipyard, Alliance Machine Company, Alliance, Ohio, 500 ton Lash Gantry Crane, General Assembly sheet 6, [Hoboken], no date, ca. 1960's-1970's. Black-line print with reversed image, 30-1/2" high x ca. 5 feet long. Detail image shown has been reversed for convenience. Although title block lists customer as Avondale Shipyards, the crane seen is typical of ones at the Hoboken yard.