This patient invoice from 1922 shows the following charges for a maternity stay lasting from December 1 to 8: Board and nursing: $17.60; use of operating room: $5; anesthetic: $1; laboratory: $1, necklace (identification for infant); $1, medicine, $1; dressings: $2.50; care of the infant: $5; for an initial total of $36.10. At the bottom of the invoice are added charges for an extra day on December 9.