Published for the journal Le Génie Civil. With a Preface by M.E. Sarrau. Discusses the problem of explosives and firedamp in mines in France, Germany, England, Austria and Belgium, including research in each country. Illustrated with diagrams, tables etc., but also with photographs. Black cloth-covered boards, spine with five raised bands and gilt decoration. 190 pages plus Bibliography and table of contents. Condition: Boards rubbed but internally clean and sound; some foxing to front free end paper.