A combination is a corset cover and petticoat or drawers sewn together at the waist with a waist band or ribbon tie. These two styles of undergarments were used until WWI.
This pattern is multi-sized 10 through 20. The figure on the left is the petticoat combination and requires 3-5/8 Yds. of 45" wide fabric. The figure on the right is the drawers combination and requires 4-1/8 Yds. of 45" wide fabric. Suggested fabrics are: cambric, nainsook, and lawn. The colors were white, flesh and tea.