General Radio type 687 transmitter
date: label: date made
content: ca 1935
name: label: maker
content: General Radio Company
notes: label: Description (Brief)
content: A General Radio type 687 oscillograph. Unit introduced in 1934. See manufacturer's information: https://worldradiohistory.com/Archive-Company-Publications/Archive-General-Radio/GR%20Exp%201934_06.pdf
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Bartholomew J. Lee
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.328729
label: catalog number
content: 328729
label: accession number
content: 274907
objectType: label: Object Name
content: Oscillograph
label: Object Name
content: oscillograph
label: Other Terms
content: Oscillograph; Radio
physicalDescription: label: Measurements
content: overall: 17 1/4 in x 19 5/8 in x 8 1/4 in; 43.815 cm x 49.8475 cm x 20.955 cm