This section is from the book "School Needlework. A Course of Study in Sewing designed for use in Schools", by Olive C. Hapgood. Also available from Amazon: School Needlework: A Course Of Study In Sewing Designed For Use In Schools.
1. Fold the lengthwise edges of one of the breadths together.
2. Hold the folded edge towards you.
3. Make a dot at the right-hand side, ten and one-half inches above the folded edge; mark it A.
4. Make a dot four inches to the left of A and parallel with A; mark it B. This is for the hem.
5. Make a dot at the left-hand side, eight and one-half inches above the folded edge; mark it C.
6. Make a dot on the folded edge, one-half of an inch from the left-hand end; mark it D.
7. Cut straight from A to B.
8. Fold the cloth from B to C, and cut on the fold.
9. Cut from C to D, slightly curving inward.