The Mechanism of the Heart Beat and Electrocardiograph
date: label: date made
content: 1932
setName: label: See more items in
content: Medicine and Science: Medicine
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1979.1012.01
label: catalog number
content: 1979.1012.01
label: accession number
content: 1979.1012
objectType: label: Object Name
content: film