Creator
G. W. Lawrence, M.D.
Title
Maltine Obstetrical Calendar.
Coverage
New York:
Publisher
Reed & Carnrick,
Date
1892.
Description
Useful premiums, like this one, tend to be retained and used. Maltine, maker of food supplements for infants, children, and pregnant women, used this volvelle to help calculate a pregnant woman’s due date.
Source
Collection of Ellen G. K. Rubin.