Aviv & Associates Inc.: Duffield Jack. Model 60 polarimeter ellipsoid
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 6: Consulting Work
unitdate: label: Date
content: 1987-1988
container: label: Container
content: Box 26, Folder 23
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials