A. Hartleben's Chemisch-technische Bibliothek: Erdwachs (Zeresin), Paraffin und Montanwachs, deren Darstellung und Verwendung Rudolf Gregorius
1908. No Edition Stated. 286 pages. No dust jacket. In German. Blue & marbled boards with no external lettering. Clean pages. Notable tanning to endpapers and page edges. Mild wear and bumping to spine, board edges and corners, with tanning to spine. Notable scuffing and marking to boards. Black pen marks to spine.