No Copyright - United States
No known copyright restrictions.
No known restrictions on use.
Notes:
Title from item.
Additional information on back of item: Close-up of pressure testing machine used to determine film drying rates of artists' oil paints. By the use of the scale the technician can maintain a constant pressure of 200 grams on each paint specimen.
Notes (date):
Date supplied by curator.
This date is inferred.
Notes (funding):
Federal Art Project, Work Projects Administration for Massachusetts, Federal Works Agency.