1956 2nd printing; by Samuel C. Williams; Lithoprinted in U.S.A. by Edwards Brothers, Inc.; classic b/w photos; very good condition; no dust jacket.
 
description -
Brundage Story and Rose Research Reports, Series A-1
from FOREWARD -
In the closing days of World War II it was widely predicted and commonly agreed that as a result of the new knowledge and experience in aviation gained during the war the sky would be black with small planes flown for personal use.  Due largely to economic factors and high ownership costs, together with the inflexibility of the small plane, this prognostication failed to materialize...
 
Taking note of the expanding use of the helicopter during the Korean conflict and the post-Korean era, members of our staff several years ago began to assemble material on the development of the helicopter.  The subject became so intriguing that a decision was made to undertake an intensive study of this new vehicle of the air...