Keywords: US 14 inch 50 cal railway gun Mk II.jpg Photograph of US 14 inch 50-caliber gun on Mk II railway mounting This model was introduced too late for use in World War I Railway Artillery A Report on the Characteristics Scope of Utility Etc of Railway Artillery Volume I page 66 by Harry W Miller United States Army Ordnance Department Washington Government Print Office 1921 Downloaded from http //www archive org/details/railwayartiller00deptgoog circa 1918-1921 photographer not identified PD-USGov US 14 inch 50 caliber railway gun |