Textbook of Ore Dressing by Robert H. Richards
1940. Sixth Impression. 608 pages. No dust jacket. Red cloth. Black and white illustrations throughout. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Heavier to endpapers and pastedowns. Marking and pencil inscription to front free endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Fraying to cloth to top corner of rear board. Staining to front board.