'Aerodynamics of the Helicopter' is published
Wednesday, December 31, 1952
One of the early and most notable text books on rotary wing Aeromechanics (by Alfred Gessow and Garry Myers) is first published. The reference is provided below,
Gessow, A., and Myers, G. C., Jr.: Aerodynamics of the Helicopter. New York: The Macmillan Company, 1952.
(Note: Only the year is exact for the milestone date)