Hundreds of photos ,   many colour plates.
                Several  unfolding diagrams  . Extralarge  4-6-4 Compound Express Locomotive (  see photos.)
                    1914 and 1915 Supplements with diagrams  ( see photo)
 

            1911      Vol XVII    66 pages
            1912     Vol  XVIII  266 pages
            1913     Vol  XIX    294 pages                  1912, 1913, 1914, 1915   are COMPLETE
            1914      Vol  XX      328 pages
            1915      Vol XXI     288 pages