NACA, which was the predecessor to NASA, the National Advisory Committee for Aeronautics ran from 1915 until 1958 when it transitioned into NASA with the dawn of the space age. These documents are important because they reinforce the first publication and availability to the public of the information. The prior art.


The grandfather document.

The next exploration based on the jet experiment rotor, the power being supplied by the remote compressor station.  This was typical of early experimentation requiring thrust for scale models in wind tunnels.

The full page of NACA research Abstracts #82.

Just to clarify the availability at the time of publication, this is the order form printed at the back.