Ralston wireless telegraphy code practice record set
date: label: date made
content: ca. 1938
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Joseph Cox
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.334713
label: catalog number
content: 334713
label: accession number
content: 311078
objectType: label: Object Name
content: 78rpm record