The Rota gyroplane: Civet I aero-engine

The Rota gyroplane: Civet I aero-engine. Air Publication 1490, Volume 1. 1st edition, December 1934. Promulgated for the information and guidance of all concerned by Command of the Air Council

Air Publications are manuals issued by the Royal Air Force and its predecessors and they are one of the most important series of official Royal Air Force publications. Air Publications cover a wide range of subjects including aircraft, marine craft, vehicles, engines, instruments, weapons, navigation, meteorology, policy material such as the Royal Air Force War Manual, administrative procedures, training material and regulations. They are identified by both their titles and an Air Publication number