Cardiotachometer Materials
name: label: Collection Creator
content: Boas, Ernst P. (Ernst Philip), 1891-1955
setName: label: See more items in
content: Ernst P. Boas Papers
unitdate: label: Date
content: 1926-1948
label: Date
content: bulk 1926-1934
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0881, Series 1
objectType: label: Type
content: Archival materials