A publication from the Research Department of Imperial Smelting. Green cloth-covered boards, silver on black titles to front board, black titles to spine, 146 pages, illustrations from photographs, fold-out diagram of ‘A HF Rail Tank Wagon’. Condition: The book is an excellent condition, with a previous owner’s name and old price to the front free and paper being the only marking. The fold-out plan is in excellent condition. There is some rubbing and chipping to the dustjacket.