CURTISS WRIGHT  2500HP WRIGHT CYCLONE 18 AERO ENGINE PRESS RELEASE. February 4th 1947. 215mmx280mm. 4 pages. Not illustrated. Concerns the fitting of the Cyclone 18 into the new Lockheed 649 Constellation. Slight creasing and dust soiling to edges. A few marks. Text a bit light in places where they must have been running out of ink when they were roneoing it off.