Some Practical Aspects Pf Rocketeering
FEW problems connected with modern aviation are so frequently discussed, so often misunderstood, misinterpreted and misstated as rocket propulsion. Though the principle of reaction has been applied in certain toys since the days of ancient Greece, and though powder rockets were known and in use for about seven centuries (the oldest certain source is a Chinese chronicle relating to the battle of KaiFung-Foo in 1232 A.D.), scientific rocket research is of quite recent origin.
By Willy Ley11 min