" Bruxelles, 1887 1888, large in-4°, 36 cm, 288 pp + VII ; 288 pp + V pp, numerous black/white drawings and illustrations, bound in contemporary half leather. First volume loose, with some loose pages, first 4 leaves loose and damaged (needs to be rebound). Well illustrated periodical on industrial development in a broad sense, in Belgium; edited by some of the foremost figures at the end of the 19th century. Picard and Maus worked also together for the famous '' Libre Esthétique ''. Text in French."