Correspondence
name: label: Collection Creator
content: National Museum of American History (U.S.). Division of Naval History
label: Collection Creator
content: Ayres, Waldemar A., 1909- (inventor)
setName: label: See more items in
content: Waldemar A. Ayres Collection
unitdate: label: Date
content: 1956-1971
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0077, Series 1
objectType: label: Type
content: Archival materials