12. New York, The Railroad Gazette, 1886, in-folio, 40 x 27,5 cm, (10) nn pp + 112 pp + 525 Figures on ca. 300 pp + (2)nn pp ( index) + 20 pp ( advertisements). (Some pages contain several illustrations, some illustrations cover a double page). Original edition in a publisher's hardcover. Bound in original maroon quarter leather over black cloth. Gilt embossed title on front cover. ( Spine with traces of wear, top turn-in damaged with some loss of leather). Good copy in a sound binding. A collection of 525 steel engravings and mechanical drawings of over 100 locomotives reprinted from the 1870 through 1886 issues of The Railroad Gazette. This is the second enlarged edition ( first from 1883). The text and illustrations have been more than doubled (Ill. from 203 to 521). With 20 pages of engraved advertisements in the rear. Full page ads by many major locomotive builders and suppliers. This publications offers an exhaustive technical overview of steam locomotives on the market at the very height of the 19th c. railway expansion..