1881. No Edition Stated. 527 pages. No dust jacket. This is an ex-Library book. Half bound black leather with purple boards. Erster Band. Expected library inserts, stamps and inscriptions. Includes various diagrams. Book is written in German. Pages have slight foxing, tanning and minor thumbing. Foxing more noticeable towards the start and end of the book and on text block edges. Hinges are cracked with exposed binding. Boards have heavy edge wear, with intense bumping and peeling to corners, while spine ends are very crushed and frayed with extensive loss and visible binding. Joints worn too with heavy splits. Very scratched, sunned, rubbed and marked overall. Spine very worn indeed.