inventor's notebook of Allen B. Dumont
date: label: date made
content: 1923-1935
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.327771
label: accession number
content: 270106
label: catalog number
content: 327771
objectType: label: Object Name
content: notebook