50 years ago in American Machinist. (retrospective).

The crying, bickering workforce
Women were starting to pierce the workforce in 1952, and AMERICAN MACHINIST editors reported upon what they believed to be corresponding management issues in the January 211952 magazine.
individual item talked about statistics from the California Department of Industrial Relations, which reported that California aircraft manufacturers had 33700 women upon the payroll for 1952. In solitary one year, the ratio of 15 female workers to 100 male workers had increased to 22 on the outside of every 100.
As far as management issues with women workers were bear uponed ...