1946. No Edition Remarks. 7 pages. This is an ex-Library book. FIAT Final Report No. 623. Ignition Apparatus for Engines Operating on Heavy Fuel Oil. Paperback book with blue cover. 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 & scuffing. Visible sunning to spine. Rust marks to covers.