Lancaster, Pennsylvania - Hamilton Watch. Operation - adjusting watches for position - highly skilled mechanical operation. For five days watches undergo testing for reaction to light, heat and position. If any inaccuracies are recorded, the watches go back to an adjuster who is able to make all kinds of adjustment. This photograph shows a man making adjustments for position.
- Federal Works Agency. Work Projects Administration. National Research Project. ca. 1941-ca. 1942; Works Progress Administration. 5/6/1935-7/1/1939