Keywords: Railway Gun Types.jpg Diagrams showing the 3 common types of railway gun mountings in the World War I era non-traversing car traversing and top carriage traversing mounts Railway Artillery A Report on the Characteristics Scope of Utility Etc of Railway Artillery Volume I page 30 by Harry W Miller United States Army Ordnance Department Washington Government Print Office 1921 <br>Downloaded from http //www archive org/details/railwayartiller00deptgoog 1921 artist not identified PD-USGov Drawings of railway artillery |