1912 Nichols & Shepard Co. Ad: Red River Special Separator Cutaway View, Diagram Great piece of original American industrial history.The ad ships with an acid free backer board and poly bag. American Ikons: Your home for Industrial Genealogy Ad measures app. 10.5 x 14.5″ page size Shipping included in the continental United States.Inventory code: p2 1912 nichols & shepart 1