spark gap head
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Photographic History
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1992.0563.01
label: catalog number
content: 1992.0563.01
label: accession number
content: 1992.0563
label: catalog number
content: 7718
objectType: label: Object Name
content: Spark Gap Head
label: Other Terms
content: Spark Gap Head; Still