Gratings
name: label: Collection Creator
content: Cary Instruments.
label: Collection Creator
content: Hawes, Roland C., 1908-1999
setName: label: See more items in
content: Roland C. Hawes Papers
label: See more items in
content: Roland C. Hawes Papers / Series 2: Research Files A-Z
unitdate: label: Date
content: 1941, 1946, 1952, 1953, 1956, 1960-1961, 1968-1969, 1976-1977
container: label: Container
content: Box 4, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials