This section is from the book "Scientific Sewing And Garment Cutting", by Antoinette Van Hoesen Wakeman. Also available from Amazon: Scientific Sewing And Garment Cutting: For Use In Schools And In The Home.
The waist pattern, with one inch added to each of the side seams in excess of the allowance for seams, and one and one-half inches added to the length, with a slight curve below the line E, forms the sack. The collar and sleeves are like those used for the wrapper. A plain sleeve may be used if desired. This sack, which is of some soft woolen material, is either pinked or finished with an embroidered scallop about the edge.