View of after half of hull of vessel under construction on the ways, Groton Iron Works, Noank yard. Workmen can be seen in front and to either side... Show moreView of after half of hull of vessel under construction on the ways, Groton Iron Works, Noank yard. Workmen can be seen in front and to either side of the vessel. Handwritten in upper left: "Oct - 20 - 1917". Show less