Chemistry, Cosmic Ray
Object type: Print
Department: Drawings and Prints
Artist: WPA|Helen West Heller
Artist bio:  |American, Rushville, Illinois 1872–1955 New York
Artist role: Publisher|Artist
Artist nationality:  |American
Date: 1939
Medium: Woodcut
Dimensions: block: 10 3/4 x 9 1/4 in. (27.3 x 23.5 cm) sheet: 14 x 12 in. (35.6 x 30.5 cm)
Classification: Prints
Credit line: Gift of the Work Projects Administration, New York, 1943
Accession year: 1943