World's Fair in Chicago in 1893

Publication of the Royal Prussian mining headquarters in Saarbrücken for the World's Fair in Chicago in 1893. The brochure is published in German and English and provides information on the content of the exhibition. In addition to a table for the shaft hoisting cable at the pit of the mining headquarters, it also contains a short chapter on bituminous coal washing in Luisenthal or on pillar mining without crosscuts at the Camphausen coal pit.