New Releases by Margaret S

Text and photographs describe seven ancient cities and what they reveal of the civilizations that produced them.

Contents: Postwar labor market development; Retraining in the first postwar decade, 1945-1955; Retraining in tighter labor markets, 1955-1964; Older workers, younger workers, and other special groups; Results of retraining; Current and future problems.

A theoretical investigation is presented of the contribution of horizontal tails to the lift and pitching moment due to angle of attack, a constant rate of pitch, and a constant vertical acceleration. Numerical values of the aerodynamic coefficients associated with these motions are presented for a number of two-dimensional wing-tail combinations, a triangular wing-tail combination, and a number of rectangular-wing - triangular-tail combinations.