17 pages. This is an ex-Library book. Paperback book with green cover. BIOS Final Report No 1620. Item No 22, 31. German Alkaline Accumulator Industry. Library stamp to front cover. Pages are mostly clean overall, with moderate tanning throughout. Staple binding is firm with noticeable rust. Text is unaffected. Paper covers have mild edge wear with creasing and scuffing. Visible sunning to spine.